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Finding the Fourth Proportional to 132,527.28, 198,834.12 and 62,413.68

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Solution

The fourth proportional to 132,527.28, 198,834.12 and 62,413.68 is: 93,640.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,527.28 : 198,834.12 = 62,413.68 : x
  2. Step 2: Convert to fraction form
    132,527.28/198,834.12 = 62,413.68/x
  3. Step 3: Cross multiply
    132,527.28x = 198,834.12 × 62,413.68
  4. Step 4: Simplify right side
    132,527.28x = 12,409,969,138.76
  5. Step 5: Solve for x
    x = 12,409,969,138.76/132,527.28
  6. Step 6: Final answer
    x = 93,640.87

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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.