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Finding the Fourth Proportional to 69,591.36, 104,255.82 and 53,932.44

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Solution

The fourth proportional to 69,591.36, 104,255.82 and 53,932.44 is: 80,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,591.36 : 104,255.82 = 53,932.44 : x
  2. Step 2: Convert to fraction form
    69,591.36/104,255.82 = 53,932.44/x
  3. Step 3: Cross multiply
    69,591.36x = 104,255.82 × 53,932.44
  4. Step 4: Simplify right side
    69,591.36x = 5,622,770,756.80
  5. Step 5: Solve for x
    x = 5,622,770,756.80/69,591.36
  6. Step 6: Final answer
    x = 80,796.97

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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.