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Finding the Fourth Proportional to 91,793.90, 137,694.24 and 25,239.24

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Solution

The fourth proportional to 91,793.90, 137,694.24 and 25,239.24 is: 37,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,793.90 : 137,694.24 = 25,239.24 : x
  2. Step 2: Convert to fraction form
    91,793.90/137,694.24 = 25,239.24/x
  3. Step 3: Cross multiply
    91,793.90x = 137,694.24 × 25,239.24
  4. Step 4: Simplify right side
    91,793.90x = 3,475,297,969.98
  5. Step 5: Solve for x
    x = 3,475,297,969.98/91,793.90
  6. Step 6: Final answer
    x = 37,859.79

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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.