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Finding the Fourth Proportional to 197.52, 296.22 and 137.04

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Solution

The fourth proportional to 197.52, 296.22 and 137.04 is: 205.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.52 : 296.22 = 137.04 : x
  2. Step 2: Convert to fraction form
    197.52/296.22 = 137.04/x
  3. Step 3: Cross multiply
    197.52x = 296.22 × 137.04
  4. Step 4: Simplify right side
    197.52x = 40,593.99
  5. Step 5: Solve for x
    x = 40,593.99/197.52
  6. Step 6: Final answer
    x = 205.52

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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.