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Finding the Fourth Proportional to 197.56, 296.46 and 116.48

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Solution

The fourth proportional to 197.56, 296.46 and 116.48 is: 174.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.56 : 296.46 = 116.48 : x
  2. Step 2: Convert to fraction form
    197.56/296.46 = 116.48/x
  3. Step 3: Cross multiply
    197.56x = 296.46 × 116.48
  4. Step 4: Simplify right side
    197.56x = 34,531.66
  5. Step 5: Solve for x
    x = 34,531.66/197.56
  6. Step 6: Final answer
    x = 174.79

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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.