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Finding the Fourth Proportional to 231,373.25, 347,067.58 and 79,568.85

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Solution

The fourth proportional to 231,373.25, 347,067.58 and 79,568.85 is: 119,355.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,373.25 : 347,067.58 = 79,568.85 : x
  2. Step 2: Convert to fraction form
    231,373.25/347,067.58 = 79,568.85/x
  3. Step 3: Cross multiply
    231,373.25x = 347,067.58 × 79,568.85
  4. Step 4: Simplify right side
    231,373.25x = 27,615,768,212.88
  5. Step 5: Solve for x
    x = 27,615,768,212.88/231,373.25
  6. Step 6: Final answer
    x = 119,355.92

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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.