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Finding the Fourth Proportional to 441,375.48, 661,989.11 and 125,757.36

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Solution

The fourth proportional to 441,375.48, 661,989.11 and 125,757.36 is: 188,614.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,375.48 : 661,989.11 = 125,757.36 : x
  2. Step 2: Convert to fraction form
    441,375.48/661,989.11 = 125,757.36/x
  3. Step 3: Cross multiply
    441,375.48x = 661,989.11 × 125,757.36
  4. Step 4: Simplify right side
    441,375.48x = 83,250,002,193.56
  5. Step 5: Solve for x
    x = 83,250,002,193.56/441,375.48
  6. Step 6: Final answer
    x = 188,614.92

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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.