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Finding the Fourth Proportional to 197.24, 295.88 and 136.48

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Solution

The fourth proportional to 197.24, 295.88 and 136.48 is: 204.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.24 : 295.88 = 136.48 : x
  2. Step 2: Convert to fraction form
    197.24/295.88 = 136.48/x
  3. Step 3: Cross multiply
    197.24x = 295.88 × 136.48
  4. Step 4: Simplify right side
    197.24x = 40,381.70
  5. Step 5: Solve for x
    x = 40,381.70/197.24
  6. Step 6: Final answer
    x = 204.73

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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.