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Finding the Fourth Proportional to 325,167.39, 487,542.96 and 156,351.47

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Solution

The fourth proportional to 325,167.39, 487,542.96 and 156,351.47 is: 234,427.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,167.39 : 487,542.96 = 156,351.47 : x
  2. Step 2: Convert to fraction form
    325,167.39/487,542.96 = 156,351.47/x
  3. Step 3: Cross multiply
    325,167.39x = 487,542.96 × 156,351.47
  4. Step 4: Simplify right side
    325,167.39x = 76,228,056,046.44
  5. Step 5: Solve for x
    x = 76,228,056,046.44/325,167.39
  6. Step 6: Final answer
    x = 234,427.12

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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.