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Finding the Fourth Proportional to 218,572.49, 327,859.32 and 60,800.96

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Solution

The fourth proportional to 218,572.49, 327,859.32 and 60,800.96 is: 91,201.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,572.49 : 327,859.32 = 60,800.96 : x
  2. Step 2: Convert to fraction form
    218,572.49/327,859.32 = 60,800.96/x
  3. Step 3: Cross multiply
    218,572.49x = 327,859.32 × 60,800.96
  4. Step 4: Simplify right side
    218,572.49x = 19,934,161,400.95
  5. Step 5: Solve for x
    x = 19,934,161,400.95/218,572.49
  6. Step 6: Final answer
    x = 91,201.60

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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.