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Finding the Fourth Proportional to 88,586.40, 133,033.20 and 62,474.40

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Solution

The fourth proportional to 88,586.40, 133,033.20 and 62,474.40 is: 93,819.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,586.40 : 133,033.20 = 62,474.40 : x
  2. Step 2: Convert to fraction form
    88,586.40/133,033.20 = 62,474.40/x
  3. Step 3: Cross multiply
    88,586.40x = 133,033.20 × 62,474.40
  4. Step 4: Simplify right side
    88,586.40x = 8,311,169,350.08
  5. Step 5: Solve for x
    x = 8,311,169,350.08/88,586.40
  6. Step 6: Final answer
    x = 93,819.92

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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.