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Finding the Fourth Proportional to 225,796.41, 338,631.44 and 68,001.93

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Solution

The fourth proportional to 225,796.41, 338,631.44 and 68,001.93 is: 101,983.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,796.41 : 338,631.44 = 68,001.93 : x
  2. Step 2: Convert to fraction form
    225,796.41/338,631.44 = 68,001.93/x
  3. Step 3: Cross multiply
    225,796.41x = 338,631.44 × 68,001.93
  4. Step 4: Simplify right side
    225,796.41x = 23,027,591,138.67
  5. Step 5: Solve for x
    x = 23,027,591,138.67/225,796.41
  6. Step 6: Final answer
    x = 101,983.87

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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.