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Finding the Fourth Proportional to 69,922.89, 104,790.92 and 25,507.89

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Solution

The fourth proportional to 69,922.89, 104,790.92 and 25,507.89 is: 38,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,922.89 : 104,790.92 = 25,507.89 : x
  2. Step 2: Convert to fraction form
    69,922.89/104,790.92 = 25,507.89/x
  3. Step 3: Cross multiply
    69,922.89x = 104,790.92 × 25,507.89
  4. Step 4: Simplify right side
    69,922.89x = 2,672,995,132.82
  5. Step 5: Solve for x
    x = 2,672,995,132.82/69,922.89
  6. Step 6: Final answer
    x = 38,227.76

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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.