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Finding the Fourth Proportional to 203,226.60, 304,839.90 and 132,367.80

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Solution

The fourth proportional to 203,226.60, 304,839.90 and 132,367.80 is: 198,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,226.60 : 304,839.90 = 132,367.80 : x
  2. Step 2: Convert to fraction form
    203,226.60/304,839.90 = 132,367.80/x
  3. Step 3: Cross multiply
    203,226.60x = 304,839.90 × 132,367.80
  4. Step 4: Simplify right side
    203,226.60x = 40,350,986,915.22
  5. Step 5: Solve for x
    x = 40,350,986,915.22/203,226.60
  6. Step 6: Final answer
    x = 198,551.70

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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.