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Finding the Fourth Proportional to 225,917.46, 338,760.46 and 119,358.62

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Solution

The fourth proportional to 225,917.46, 338,760.46 and 119,358.62 is: 178,976.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,917.46 : 338,760.46 = 119,358.62 : x
  2. Step 2: Convert to fraction form
    225,917.46/338,760.46 = 119,358.62/x
  3. Step 3: Cross multiply
    225,917.46x = 338,760.46 × 119,358.62
  4. Step 4: Simplify right side
    225,917.46x = 40,433,981,016.17
  5. Step 5: Solve for x
    x = 40,433,981,016.17/225,917.46
  6. Step 6: Final answer
    x = 178,976.79

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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.