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Finding the Fourth Proportional to 132,380.71, 182,686.60 and 71,951.49

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Solution

The fourth proportional to 132,380.71, 182,686.60 and 71,951.49 is: 99,293.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,380.71 : 182,686.60 = 71,951.49 : x
  2. Step 2: Convert to fraction form
    132,380.71/182,686.60 = 71,951.49/x
  3. Step 3: Cross multiply
    132,380.71x = 182,686.60 × 71,951.49
  4. Step 4: Simplify right side
    132,380.71x = 13,144,573,073.03
  5. Step 5: Solve for x
    x = 13,144,573,073.03/132,380.71
  6. Step 6: Final answer
    x = 99,293.72

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.