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Finding the Fourth Proportional to 225,091.85, 337,470.09 and 75,243.47

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Solution

The fourth proportional to 225,091.85, 337,470.09 and 75,243.47 is: 112,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,091.85 : 337,470.09 = 75,243.47 : x
  2. Step 2: Convert to fraction form
    225,091.85/337,470.09 = 75,243.47/x
  3. Step 3: Cross multiply
    225,091.85x = 337,470.09 × 75,243.47
  4. Step 4: Simplify right side
    225,091.85x = 25,392,420,592.81
  5. Step 5: Solve for x
    x = 25,392,420,592.81/225,091.85
  6. Step 6: Final answer
    x = 112,809.15

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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.