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Finding the Fourth Proportional to 69,694.26, 96,192.08 and 41,394.48

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Solution

The fourth proportional to 69,694.26, 96,192.08 and 41,394.48 is: 57,132.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,694.26 : 96,192.08 = 41,394.48 : x
  2. Step 2: Convert to fraction form
    69,694.26/96,192.08 = 41,394.48/x
  3. Step 3: Cross multiply
    69,694.26x = 96,192.08 × 41,394.48
  4. Step 4: Simplify right side
    69,694.26x = 3,981,821,131.72
  5. Step 5: Solve for x
    x = 3,981,821,131.72/69,694.26
  6. Step 6: Final answer
    x = 57,132.70

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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.