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Finding the Fourth Proportional to 243,982.85, 366,009.25 and 75,517.97

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Solution

The fourth proportional to 243,982.85, 366,009.25 and 75,517.97 is: 113,287.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,982.85 : 366,009.25 = 75,517.97 : x
  2. Step 2: Convert to fraction form
    243,982.85/366,009.25 = 75,517.97/x
  3. Step 3: Cross multiply
    243,982.85x = 366,009.25 × 75,517.97
  4. Step 4: Simplify right side
    243,982.85x = 27,640,273,542.38
  5. Step 5: Solve for x
    x = 27,640,273,542.38/243,982.85
  6. Step 6: Final answer
    x = 113,287.77

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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.