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Finding the Fourth Proportional to 252,257.36, 378,375 and 62,713.68

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Solution

The fourth proportional to 252,257.36, 378,375 and 62,713.68 is: 94,067.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,257.36 : 378,375 = 62,713.68 : x
  2. Step 2: Convert to fraction form
    252,257.36/378,375 = 62,713.68/x
  3. Step 3: Cross multiply
    252,257.36x = 378,375 × 62,713.68
  4. Step 4: Simplify right side
    252,257.36x = 23,729,288,670
  5. Step 5: Solve for x
    x = 23,729,288,670/252,257.36
  6. Step 6: Final answer
    x = 94,067.78

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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.