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Finding the Fourth Proportional to 197.01, 294.98 and 132.11

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Solution

The fourth proportional to 197.01, 294.98 and 132.11 is: 197.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197.01 : 294.98 = 132.11 : x
  2. Step 2: Convert to fraction form
    197.01/294.98 = 132.11/x
  3. Step 3: Cross multiply
    197.01x = 294.98 × 132.11
  4. Step 4: Simplify right side
    197.01x = 38,968.78
  5. Step 5: Solve for x
    x = 38,968.78/197.01
  6. Step 6: Final answer
    x = 197.80

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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.