document.write( "Question 293629: The average of four numbers is 98. If three of the numbers are 86, 87, and 91, what is the fourth number? ... \r
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Algebra.Com's Answer #211910 by Alan3354(69443)\"\" \"About 
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(n + 86 + 87 + 91)/4 = 98
\n" ); document.write( "n + 264 = 392
\n" ); document.write( "n = 128
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