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Finding the Fourth Proportional to 265,882.56, 398,491.21 and 132,799.96

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Solution

The fourth proportional to 265,882.56, 398,491.21 and 132,799.96 is: 199,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,882.56 : 398,491.21 = 132,799.96 : x
  2. Step 2: Convert to fraction form
    265,882.56/398,491.21 = 132,799.96/x
  3. Step 3: Cross multiply
    265,882.56x = 398,491.21 × 132,799.96
  4. Step 4: Simplify right side
    265,882.56x = 52,919,616,748.35
  5. Step 5: Solve for x
    x = 52,919,616,748.35/265,882.56
  6. Step 6: Final answer
    x = 199,033.80

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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.