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Finding the Fourth Proportional to 132,657.60, 198,966.60 and 48,397.98

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Solution

The fourth proportional to 132,657.60, 198,966.60 and 48,397.98 is: 72,589.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,657.60 : 198,966.60 = 48,397.98 : x
  2. Step 2: Convert to fraction form
    132,657.60/198,966.60 = 48,397.98/x
  3. Step 3: Cross multiply
    132,657.60x = 198,966.60 × 48,397.98
  4. Step 4: Simplify right side
    132,657.60x = 9,629,581,527.47
  5. Step 5: Solve for x
    x = 9,629,581,527.47/132,657.60
  6. Step 6: Final answer
    x = 72,589.75

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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.