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Finding the Fourth Proportional to 193.97, 267.70 and 116.33

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Solution

The fourth proportional to 193.97, 267.70 and 116.33 is: 160.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.97 : 267.70 = 116.33 : x
  2. Step 2: Convert to fraction form
    193.97/267.70 = 116.33/x
  3. Step 3: Cross multiply
    193.97x = 267.70 × 116.33
  4. Step 4: Simplify right side
    193.97x = 31,141.54
  5. Step 5: Solve for x
    x = 31,141.54/193.97
  6. Step 6: Final answer
    x = 160.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.