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Finding the Fourth Proportional to 218,142.83, 327,219.71 and 60,372.65

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Solution

The fourth proportional to 218,142.83, 327,219.71 and 60,372.65 is: 90,560.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,142.83 : 327,219.71 = 60,372.65 : x
  2. Step 2: Convert to fraction form
    218,142.83/327,219.71 = 60,372.65/x
  3. Step 3: Cross multiply
    218,142.83x = 327,219.71 × 60,372.65
  4. Step 4: Simplify right side
    218,142.83x = 19,755,122,107.11
  5. Step 5: Solve for x
    x = 19,755,122,107.11/218,142.83
  6. Step 6: Final answer
    x = 90,560.49

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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.