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Finding the Fourth Proportional to 197.97, 273.61 and 173.96

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Solution

The fourth proportional to 197.97, 273.61 and 173.96 is: 240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.97 : 273.61 = 173.96 : x
  2. Step 2: Convert to fraction form
    197.97/273.61 = 173.96/x
  3. Step 3: Cross multiply
    197.97x = 273.61 × 173.96
  4. Step 4: Simplify right side
    197.97x = 47,597.20
  5. Step 5: Solve for x
    x = 47,597.20/197.97
  6. Step 6: Final answer
    x = 240.43

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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.