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Finding the Fourth Proportional to 223,147.40, 334,721.12 and 65,375.88

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Solution

The fourth proportional to 223,147.40, 334,721.12 and 65,375.88 is: 98,063.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,147.40 : 334,721.12 = 65,375.88 : x
  2. Step 2: Convert to fraction form
    223,147.40/334,721.12 = 65,375.88/x
  3. Step 3: Cross multiply
    223,147.40x = 334,721.12 × 65,375.88
  4. Step 4: Simplify right side
    223,147.40x = 21,882,687,774.59
  5. Step 5: Solve for x
    x = 21,882,687,774.59/223,147.40
  6. Step 6: Final answer
    x = 98,063.83

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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.