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Finding the Fourth Proportional to 218,387.46, 327,583.01 and 68,624.44

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Solution

The fourth proportional to 218,387.46, 327,583.01 and 68,624.44 is: 102,937.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,387.46 : 327,583.01 = 68,624.44 : x
  2. Step 2: Convert to fraction form
    218,387.46/327,583.01 = 68,624.44/x
  3. Step 3: Cross multiply
    218,387.46x = 327,583.01 × 68,624.44
  4. Step 4: Simplify right side
    218,387.46x = 22,480,200,614.76
  5. Step 5: Solve for x
    x = 22,480,200,614.76/218,387.46
  6. Step 6: Final answer
    x = 102,937.23

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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.