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Finding the Fourth Proportional to 225,757.77, 338,655.09 and 113,380.19

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Solution

The fourth proportional to 225,757.77, 338,655.09 and 113,380.19 is: 170,079.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,757.77 : 338,655.09 = 113,380.19 : x
  2. Step 2: Convert to fraction form
    225,757.77/338,655.09 = 113,380.19/x
  3. Step 3: Cross multiply
    225,757.77x = 338,655.09 × 113,380.19
  4. Step 4: Simplify right side
    225,757.77x = 38,396,778,450.52
  5. Step 5: Solve for x
    x = 38,396,778,450.52/225,757.77
  6. Step 6: Final answer
    x = 170,079.55

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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.