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Finding the Fourth Proportional to 88,690.87, 132,957.18 and 32,517.86

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Solution

The fourth proportional to 88,690.87, 132,957.18 and 32,517.86 is: 48,747.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,690.87 : 132,957.18 = 32,517.86 : x
  2. Step 2: Convert to fraction form
    88,690.87/132,957.18 = 32,517.86/x
  3. Step 3: Cross multiply
    88,690.87x = 132,957.18 × 32,517.86
  4. Step 4: Simplify right side
    88,690.87x = 4,323,482,965.23
  5. Step 5: Solve for x
    x = 4,323,482,965.23/88,690.87
  6. Step 6: Final answer
    x = 48,747.78

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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.