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Finding the Fourth Proportional to 325,174.12, 487,711.96 and 88,535.46

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Solution

The fourth proportional to 325,174.12, 487,711.96 and 88,535.46 is: 132,789.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,174.12 : 487,711.96 = 88,535.46 : x
  2. Step 2: Convert to fraction form
    325,174.12/487,711.96 = 88,535.46/x
  3. Step 3: Cross multiply
    325,174.12x = 487,711.96 × 88,535.46
  4. Step 4: Simplify right side
    325,174.12x = 43,179,802,726.10
  5. Step 5: Solve for x
    x = 43,179,802,726.10/325,174.12
  6. Step 6: Final answer
    x = 132,789.79

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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.