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Finding the Fourth Proportional to 104,010.80, 156,123.88 and 64,058.56

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Solution

The fourth proportional to 104,010.80, 156,123.88 and 64,058.56 is: 96,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,010.80 : 156,123.88 = 64,058.56 : x
  2. Step 2: Convert to fraction form
    104,010.80/156,123.88 = 64,058.56/x
  3. Step 3: Cross multiply
    104,010.80x = 156,123.88 × 64,058.56
  4. Step 4: Simplify right side
    104,010.80x = 10,001,070,934.41
  5. Step 5: Solve for x
    x = 10,001,070,934.41/104,010.80
  6. Step 6: Final answer
    x = 96,154.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.