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Finding the Fourth Proportional to 89,154.27, 132,945.66 and 88,354.80

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Solution

The fourth proportional to 89,154.27, 132,945.66 and 88,354.80 is: 131,753.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,154.27 : 132,945.66 = 88,354.80 : x
  2. Step 2: Convert to fraction form
    89,154.27/132,945.66 = 88,354.80/x
  3. Step 3: Cross multiply
    89,154.27x = 132,945.66 × 88,354.80
  4. Step 4: Simplify right side
    89,154.27x = 11,746,387,200.17
  5. Step 5: Solve for x
    x = 11,746,387,200.17/89,154.27
  6. Step 6: Final answer
    x = 131,753.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.