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Finding the Fourth Proportional to 69,418.87, 104,115.13 and 33,844.48

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Solution

The fourth proportional to 69,418.87, 104,115.13 and 33,844.48 is: 50,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,418.87 : 104,115.13 = 33,844.48 : x
  2. Step 2: Convert to fraction form
    69,418.87/104,115.13 = 33,844.48/x
  3. Step 3: Cross multiply
    69,418.87x = 104,115.13 × 33,844.48
  4. Step 4: Simplify right side
    69,418.87x = 3,523,722,434.98
  5. Step 5: Solve for x
    x = 3,523,722,434.98/69,418.87
  6. Step 6: Final answer
    x = 50,760.30

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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.