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Finding the Fourth Proportional to 324,675.62, 487,142.60 and 124,942.38

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Solution

The fourth proportional to 324,675.62, 487,142.60 and 124,942.38 is: 187,463.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,675.62 : 487,142.60 = 124,942.38 : x
  2. Step 2: Convert to fraction form
    324,675.62/487,142.60 = 124,942.38/x
  3. Step 3: Cross multiply
    324,675.62x = 487,142.60 × 124,942.38
  4. Step 4: Simplify right side
    324,675.62x = 60,864,755,843.39
  5. Step 5: Solve for x
    x = 60,864,755,843.39/324,675.62
  6. Step 6: Final answer
    x = 187,463.28

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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.