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Finding the Fourth Proportional to 88,732.30, 133,049.85 and 36,082.30

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Solution

The fourth proportional to 88,732.30, 133,049.85 and 36,082.30 is: 54,103.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,732.30 : 133,049.85 = 36,082.30 : x
  2. Step 2: Convert to fraction form
    88,732.30/133,049.85 = 36,082.30/x
  3. Step 3: Cross multiply
    88,732.30x = 133,049.85 × 36,082.30
  4. Step 4: Simplify right side
    88,732.30x = 4,800,744,602.66
  5. Step 5: Solve for x
    x = 4,800,744,602.66/88,732.30
  6. Step 6: Final answer
    x = 54,103.69

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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.