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Finding the Fourth Proportional to 367,630.38, 551,463.66 and 101,385

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Solution

The fourth proportional to 367,630.38, 551,463.66 and 101,385 is: 152,082.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,630.38 : 551,463.66 = 101,385 : x
  2. Step 2: Convert to fraction form
    367,630.38/551,463.66 = 101,385/x
  3. Step 3: Cross multiply
    367,630.38x = 551,463.66 × 101,385
  4. Step 4: Simplify right side
    367,630.38x = 55,910,143,169.10
  5. Step 5: Solve for x
    x = 55,910,143,169.10/367,630.38
  6. Step 6: Final answer
    x = 152,082.49

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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.