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Finding the Fourth Proportional to 218,132.97, 327,199.46 and 60,361.42

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Solution

The fourth proportional to 218,132.97, 327,199.46 and 60,361.42 is: 90,542.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,132.97 : 327,199.46 = 60,361.42 : x
  2. Step 2: Convert to fraction form
    218,132.97/327,199.46 = 60,361.42/x
  3. Step 3: Cross multiply
    218,132.97x = 327,199.46 × 60,361.42
  4. Step 4: Simplify right side
    218,132.97x = 19,750,224,028.83
  5. Step 5: Solve for x
    x = 19,750,224,028.83/218,132.97
  6. Step 6: Final answer
    x = 90,542.13

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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.