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Finding the Fourth Proportional to 225,794.62, 338,704.89 and 68,006.62

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Solution

The fourth proportional to 225,794.62, 338,704.89 and 68,006.62 is: 102,013.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,794.62 : 338,704.89 = 68,006.62 : x
  2. Step 2: Convert to fraction form
    225,794.62/338,704.89 = 68,006.62/x
  3. Step 3: Cross multiply
    225,794.62x = 338,704.89 × 68,006.62
  4. Step 4: Simplify right side
    225,794.62x = 23,034,174,746.37
  5. Step 5: Solve for x
    x = 23,034,174,746.37/225,794.62
  6. Step 6: Final answer
    x = 102,013.83

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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.