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Finding the Fourth Proportional to 227,082.88, 313,377.42 and 126,480.88

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Solution

The fourth proportional to 227,082.88, 313,377.42 and 126,480.88 is: 174,545.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,082.88 : 313,377.42 = 126,480.88 : x
  2. Step 2: Convert to fraction form
    227,082.88/313,377.42 = 126,480.88/x
  3. Step 3: Cross multiply
    227,082.88x = 313,377.42 × 126,480.88
  4. Step 4: Simplify right side
    227,082.88x = 39,636,251,853.73
  5. Step 5: Solve for x
    x = 39,636,251,853.73/227,082.88
  6. Step 6: Final answer
    x = 174,545.31

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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.