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Finding the Fourth Proportional to 218,506.49, 327,757.89 and 60,734.48

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Solution

The fourth proportional to 218,506.49, 327,757.89 and 60,734.48 is: 91,101.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,506.49 : 327,757.89 = 60,734.48 : x
  2. Step 2: Convert to fraction form
    218,506.49/327,757.89 = 60,734.48/x
  3. Step 3: Cross multiply
    218,506.49x = 327,757.89 × 60,734.48
  4. Step 4: Simplify right side
    218,506.49x = 19,906,203,376.26
  5. Step 5: Solve for x
    x = 19,906,203,376.26/218,506.49
  6. Step 6: Final answer
    x = 91,101.20

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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.