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Finding the Fourth Proportional to 179,891.97, 269,407.76 and 103,759.71

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Solution

The fourth proportional to 179,891.97, 269,407.76 and 103,759.71 is: 155,391.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,891.97 : 269,407.76 = 103,759.71 : x
  2. Step 2: Convert to fraction form
    179,891.97/269,407.76 = 103,759.71/x
  3. Step 3: Cross multiply
    179,891.97x = 269,407.76 × 103,759.71
  4. Step 4: Simplify right side
    179,891.97x = 27,953,670,530.55
  5. Step 5: Solve for x
    x = 27,953,670,530.55/179,891.97
  6. Step 6: Final answer
    x = 155,391.43

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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.