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Finding the Fourth Proportional to 88,800.68, 132,553.23 and 77,590.47

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Solution

The fourth proportional to 88,800.68, 132,553.23 and 77,590.47 is: 115,819.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,800.68 : 132,553.23 = 77,590.47 : x
  2. Step 2: Convert to fraction form
    88,800.68/132,553.23 = 77,590.47/x
  3. Step 3: Cross multiply
    88,800.68x = 132,553.23 × 77,590.47
  4. Step 4: Simplify right side
    88,800.68x = 10,284,867,124.75
  5. Step 5: Solve for x
    x = 10,284,867,124.75/88,800.68
  6. Step 6: Final answer
    x = 115,819.70

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1.5x scale

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.