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Finding the Fourth Proportional to 218,402.07, 327,603.24 and 60,630.54

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Solution

The fourth proportional to 218,402.07, 327,603.24 and 60,630.54 is: 90,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,402.07 : 327,603.24 = 60,630.54 : x
  2. Step 2: Convert to fraction form
    218,402.07/327,603.24 = 60,630.54/x
  3. Step 3: Cross multiply
    218,402.07x = 327,603.24 × 60,630.54
  4. Step 4: Simplify right side
    218,402.07x = 19,862,761,346.95
  5. Step 5: Solve for x
    x = 19,862,761,346.95/218,402.07
  6. Step 6: Final answer
    x = 90,945.85

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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.