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Finding the Fourth Proportional to 225,854.57, 338,781.58 and 68,083.01

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Solution

The fourth proportional to 225,854.57, 338,781.58 and 68,083.01 is: 102,124.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,854.57 : 338,781.58 = 68,083.01 : x
  2. Step 2: Convert to fraction form
    225,854.57/338,781.58 = 68,083.01/x
  3. Step 3: Cross multiply
    225,854.57x = 338,781.58 × 68,083.01
  4. Step 4: Simplify right side
    225,854.57x = 23,065,269,698.96
  5. Step 5: Solve for x
    x = 23,065,269,698.96/225,854.57
  6. Step 6: Final answer
    x = 102,124.43

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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.