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Finding the Fourth Proportional to 156,997.97, 216,545.77 and 96,489.15

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Solution

The fourth proportional to 156,997.97, 216,545.77 and 96,489.15 is: 133,086.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,997.97 : 216,545.77 = 96,489.15 : x
  2. Step 2: Convert to fraction form
    156,997.97/216,545.77 = 96,489.15/x
  3. Step 3: Cross multiply
    156,997.97x = 216,545.77 × 96,489.15
  4. Step 4: Simplify right side
    156,997.97x = 20,894,317,283.40
  5. Step 5: Solve for x
    x = 20,894,317,283.40/156,997.97
  6. Step 6: Final answer
    x = 133,086.54

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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.