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Finding the Fourth Proportional to 69,734.69, 104,601.11 and 17,144.63

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Solution

The fourth proportional to 69,734.69, 104,601.11 and 17,144.63 is: 25,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,734.69 : 104,601.11 = 17,144.63 : x
  2. Step 2: Convert to fraction form
    69,734.69/104,601.11 = 17,144.63/x
  3. Step 3: Cross multiply
    69,734.69x = 104,601.11 × 17,144.63
  4. Step 4: Simplify right side
    69,734.69x = 1,793,347,112.06
  5. Step 5: Solve for x
    x = 1,793,347,112.06/69,734.69
  6. Step 6: Final answer
    x = 25,716.71

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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.