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Finding the Fourth Proportional to 113,654.28, 156,910.11 and 101,044.14

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Solution

The fourth proportional to 113,654.28, 156,910.11 and 101,044.14 is: 139,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,654.28 : 156,910.11 = 101,044.14 : x
  2. Step 2: Convert to fraction form
    113,654.28/156,910.11 = 101,044.14/x
  3. Step 3: Cross multiply
    113,654.28x = 156,910.11 × 101,044.14
  4. Step 4: Simplify right side
    113,654.28x = 15,854,847,122.26
  5. Step 5: Solve for x
    x = 15,854,847,122.26/113,654.28
  6. Step 6: Final answer
    x = 139,500.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.