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Finding the Fourth Proportional to 197.60, 295.92 and 116.49

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Solution

The fourth proportional to 197.60, 295.92 and 116.49 is: 174.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.60 : 295.92 = 116.49 : x
  2. Step 2: Convert to fraction form
    197.60/295.92 = 116.49/x
  3. Step 3: Cross multiply
    197.60x = 295.92 × 116.49
  4. Step 4: Simplify right side
    197.60x = 34,471.72
  5. Step 5: Solve for x
    x = 34,471.72/197.60
  6. Step 6: Final answer
    x = 174.46

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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.