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Finding the Fourth Proportional to 225,519.95, 337,920.09 and 165,269.21

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Solution

The fourth proportional to 225,519.95, 337,920.09 and 165,269.21 is: 247,640.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,519.95 : 337,920.09 = 165,269.21 : x
  2. Step 2: Convert to fraction form
    225,519.95/337,920.09 = 165,269.21/x
  3. Step 3: Cross multiply
    225,519.95x = 337,920.09 × 165,269.21
  4. Step 4: Simplify right side
    225,519.95x = 55,847,784,627.83
  5. Step 5: Solve for x
    x = 55,847,784,627.83/225,519.95
  6. Step 6: Final answer
    x = 247,640.10

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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.