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Finding the Fourth Proportional to 225,172.92, 337,763.44 and 75,385.28

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Solution

The fourth proportional to 225,172.92, 337,763.44 and 75,385.28 is: 113,079.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,172.92 : 337,763.44 = 75,385.28 : x
  2. Step 2: Convert to fraction form
    225,172.92/337,763.44 = 75,385.28/x
  3. Step 3: Cross multiply
    225,172.92x = 337,763.44 × 75,385.28
  4. Step 4: Simplify right side
    225,172.92x = 25,462,391,498.16
  5. Step 5: Solve for x
    x = 25,462,391,498.16/225,172.92
  6. Step 6: Final answer
    x = 113,079.28

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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.