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Finding the Fourth Proportional to 69,993.30, 104,959.17 and 25,608.54

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Solution

The fourth proportional to 69,993.30, 104,959.17 and 25,608.54 is: 38,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,993.30 : 104,959.17 = 25,608.54 : x
  2. Step 2: Convert to fraction form
    69,993.30/104,959.17 = 25,608.54/x
  3. Step 3: Cross multiply
    69,993.30x = 104,959.17 × 25,608.54
  4. Step 4: Simplify right side
    69,993.30x = 2,687,851,103.31
  5. Step 5: Solve for x
    x = 2,687,851,103.31/69,993.30
  6. Step 6: Final answer
    x = 38,401.55

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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.