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Finding the Fourth Proportional to 225,959.62, 338,930.91 and 68,183.86

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Solution

The fourth proportional to 225,959.62, 338,930.91 and 68,183.86 is: 102,273.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,959.62 : 338,930.91 = 68,183.86 : x
  2. Step 2: Convert to fraction form
    225,959.62/338,930.91 = 68,183.86/x
  3. Step 3: Cross multiply
    225,959.62x = 338,930.91 × 68,183.86
  4. Step 4: Simplify right side
    225,959.62x = 23,109,617,717.11
  5. Step 5: Solve for x
    x = 23,109,617,717.11/225,959.62
  6. Step 6: Final answer
    x = 102,273.22

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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.