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Finding the Fourth Proportional to 317,163.38, 475,694.40 and 92,471.27

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Solution

The fourth proportional to 317,163.38, 475,694.40 and 92,471.27 is: 138,692.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,163.38 : 475,694.40 = 92,471.27 : x
  2. Step 2: Convert to fraction form
    317,163.38/475,694.40 = 92,471.27/x
  3. Step 3: Cross multiply
    317,163.38x = 475,694.40 × 92,471.27
  4. Step 4: Simplify right side
    317,163.38x = 43,988,062,921.42
  5. Step 5: Solve for x
    x = 43,988,062,921.42/317,163.38
  6. Step 6: Final answer
    x = 138,692.13

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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.