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Finding the Fourth Proportional to 69,932.64, 104,805.54 and 25,517.64

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Solution

The fourth proportional to 69,932.64, 104,805.54 and 25,517.64 is: 38,242.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,932.64 : 104,805.54 = 25,517.64 : x
  2. Step 2: Convert to fraction form
    69,932.64/104,805.54 = 25,517.64/x
  3. Step 3: Cross multiply
    69,932.64x = 104,805.54 × 25,517.64
  4. Step 4: Simplify right side
    69,932.64x = 2,674,390,039.73
  5. Step 5: Solve for x
    x = 2,674,390,039.73/69,932.64
  6. Step 6: Final answer
    x = 38,242.37

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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.