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Finding the Fourth Proportional to 79,092.26, 109,147.15 and 43,282.26

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Solution

The fourth proportional to 79,092.26, 109,147.15 and 43,282.26 is: 59,729.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,092.26 : 109,147.15 = 43,282.26 : x
  2. Step 2: Convert to fraction form
    79,092.26/109,147.15 = 43,282.26/x
  3. Step 3: Cross multiply
    79,092.26x = 109,147.15 × 43,282.26
  4. Step 4: Simplify right side
    79,092.26x = 4,724,135,324.56
  5. Step 5: Solve for x
    x = 4,724,135,324.56/79,092.26
  6. Step 6: Final answer
    x = 59,729.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.