(Reuters) - IT service provider Roper Technologies Inc said it would buy business software provider Deltek [THBVOK.UL] from private equity firm Thoma Bravo in a cash deal valued at $2.8 billion.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=MCn75WH90d0:Kodld43eySo:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=MCn75WH90d0:Kodld43eySo:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=MCn75WH90d0:Kodld43eySo:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=MCn75WH90d0:Kodld43eySo:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=MCn75WH90d0:Kodld43eySo:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/MCn75WH90d0" height="1" width="1" alt="" />