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Finding the Fourth Proportional to 218,126.54, 327,189.32 and 60,354.52

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Solution

The fourth proportional to 218,126.54, 327,189.32 and 60,354.52 is: 90,531.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,126.54 : 327,189.32 = 60,354.52 : x
  2. Step 2: Convert to fraction form
    218,126.54/327,189.32 = 60,354.52/x
  3. Step 3: Cross multiply
    218,126.54x = 327,189.32 × 60,354.52
  4. Step 4: Simplify right side
    218,126.54x = 19,747,354,357.73
  5. Step 5: Solve for x
    x = 19,747,354,357.73/218,126.54
  6. Step 6: Final answer
    x = 90,531.64

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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.