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Finding the Fourth Proportional to 218,133.47, 327,200.21 and 60,361.92

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Solution

The fourth proportional to 218,133.47, 327,200.21 and 60,361.92 is: 90,542.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,133.47 : 327,200.21 = 60,361.92 : x
  2. Step 2: Convert to fraction form
    218,133.47/327,200.21 = 60,361.92/x
  3. Step 3: Cross multiply
    218,133.47x = 327,200.21 × 60,361.92
  4. Step 4: Simplify right side
    218,133.47x = 19,750,432,598.19
  5. Step 5: Solve for x
    x = 19,750,432,598.19/218,133.47
  6. Step 6: Final answer
    x = 90,542.88

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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.