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Finding the Fourth Proportional to 218,332.80, 327,499.20 and 60,562.80

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Solution

The fourth proportional to 218,332.80, 327,499.20 and 60,562.80 is: 90,844.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,332.80 : 327,499.20 = 60,562.80 : x
  2. Step 2: Convert to fraction form
    218,332.80/327,499.20 = 60,562.80/x
  3. Step 3: Cross multiply
    218,332.80x = 327,499.20 × 60,562.80
  4. Step 4: Simplify right side
    218,332.80x = 19,834,268,549.76
  5. Step 5: Solve for x
    x = 19,834,268,549.76/218,332.80
  6. Step 6: Final answer
    x = 90,844.20

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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.