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Finding the Fourth Proportional to 169,198.62, 253,299.71 and 125,022.59

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Solution

The fourth proportional to 169,198.62, 253,299.71 and 125,022.59 is: 187,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,198.62 : 253,299.71 = 125,022.59 : x
  2. Step 2: Convert to fraction form
    169,198.62/253,299.71 = 125,022.59/x
  3. Step 3: Cross multiply
    169,198.62x = 253,299.71 × 125,022.59
  4. Step 4: Simplify right side
    169,198.62x = 31,668,185,083.13
  5. Step 5: Solve for x
    x = 31,668,185,083.13/169,198.62
  6. Step 6: Final answer
    x = 187,165.74

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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.