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Finding the Fourth Proportional to 169,999.16, 256,010.76 and 148,077.32

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Solution

The fourth proportional to 169,999.16, 256,010.76 and 148,077.32 is: 222,997.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,999.16 : 256,010.76 = 148,077.32 : x
  2. Step 2: Convert to fraction form
    169,999.16/256,010.76 = 148,077.32/x
  3. Step 3: Cross multiply
    169,999.16x = 256,010.76 × 148,077.32
  4. Step 4: Simplify right side
    169,999.16x = 37,909,385,951.91
  5. Step 5: Solve for x
    x = 37,909,385,951.91/169,999.16
  6. Step 6: Final answer
    x = 222,997.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.