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Finding the Fourth Proportional to 169,694.97, 254,541 and 68,491.47

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Solution

The fourth proportional to 169,694.97, 254,541 and 68,491.47 is: 102,736.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,694.97 : 254,541 = 68,491.47 : x
  2. Step 2: Convert to fraction form
    169,694.97/254,541 = 68,491.47/x
  3. Step 3: Cross multiply
    169,694.97x = 254,541 × 68,491.47
  4. Step 4: Simplify right side
    169,694.97x = 17,433,887,265.27
  5. Step 5: Solve for x
    x = 17,433,887,265.27/169,694.97
  6. Step 6: Final answer
    x = 102,736.62

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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.