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Finding the Fourth Proportional to 218,265.39, 327,398.22 and 60,495.21

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Solution

The fourth proportional to 218,265.39, 327,398.22 and 60,495.21 is: 90,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,265.39 : 327,398.22 = 60,495.21 : x
  2. Step 2: Convert to fraction form
    218,265.39/327,398.22 = 60,495.21/x
  3. Step 3: Cross multiply
    218,265.39x = 327,398.22 × 60,495.21
  4. Step 4: Simplify right side
    218,265.39x = 19,806,024,072.53
  5. Step 5: Solve for x
    x = 19,806,024,072.53/218,265.39
  6. Step 6: Final answer
    x = 90,742.85

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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.