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Finding the Fourth Proportional to 244,191.20, 366,286.80 and 149,712.80

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Solution

The fourth proportional to 244,191.20, 366,286.80 and 149,712.80 is: 224,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,191.20 : 366,286.80 = 149,712.80 : x
  2. Step 2: Convert to fraction form
    244,191.20/366,286.80 = 149,712.80/x
  3. Step 3: Cross multiply
    244,191.20x = 366,286.80 × 149,712.80
  4. Step 4: Simplify right side
    244,191.20x = 54,837,822,431.04
  5. Step 5: Solve for x
    x = 54,837,822,431.04/244,191.20
  6. Step 6: Final answer
    x = 224,569.20

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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.