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Finding the Fourth Proportional to 132,624.76, 183,060.82 and 86,691.08

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Solution

The fourth proportional to 132,624.76, 183,060.82 and 86,691.08 is: 119,658.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,624.76 : 183,060.82 = 86,691.08 : x
  2. Step 2: Convert to fraction form
    132,624.76/183,060.82 = 86,691.08/x
  3. Step 3: Cross multiply
    132,624.76x = 183,060.82 × 86,691.08
  4. Step 4: Simplify right side
    132,624.76x = 15,869,740,191.49
  5. Step 5: Solve for x
    x = 15,869,740,191.49/132,624.76
  6. Step 6: Final answer
    x = 119,658.96

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Why These Related Problems?

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