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Finding the Fourth Proportional to 132,200.92, 198,246.98 and 65,616.60

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Solution

The fourth proportional to 132,200.92, 198,246.98 and 65,616.60 is: 98,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,200.92 : 198,246.98 = 65,616.60 : x
  2. Step 2: Convert to fraction form
    132,200.92/198,246.98 = 65,616.60/x
  3. Step 3: Cross multiply
    132,200.92x = 198,246.98 × 65,616.60
  4. Step 4: Simplify right side
    132,200.92x = 13,008,292,787.87
  5. Step 5: Solve for x
    x = 13,008,292,787.87/132,200.92
  6. Step 6: Final answer
    x = 98,397.90

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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.