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Finding the Fourth Proportional to 197.42, 296.20 and 116.33

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Solution

The fourth proportional to 197.42, 296.20 and 116.33 is: 174.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.42 : 296.20 = 116.33 : x
  2. Step 2: Convert to fraction form
    197.42/296.20 = 116.33/x
  3. Step 3: Cross multiply
    197.42x = 296.20 × 116.33
  4. Step 4: Simplify right side
    197.42x = 34,456.95
  5. Step 5: Solve for x
    x = 34,456.95/197.42
  6. Step 6: Final answer
    x = 174.54

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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.