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Finding the Fourth Proportional to 317,164.38, 475,695.90 and 92,472.27

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Solution

The fourth proportional to 317,164.38, 475,695.90 and 92,472.27 is: 138,693.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,164.38 : 475,695.90 = 92,472.27 : x
  2. Step 2: Convert to fraction form
    317,164.38/475,695.90 = 92,472.27/x
  3. Step 3: Cross multiply
    317,164.38x = 475,695.90 × 92,472.27
  4. Step 4: Simplify right side
    317,164.38x = 43,988,679,702.69
  5. Step 5: Solve for x
    x = 43,988,679,702.69/317,164.38
  6. Step 6: Final answer
    x = 138,693.63

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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.