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Finding the Fourth Proportional to 132.23, 197.98 and 124.11

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Solution

The fourth proportional to 132.23, 197.98 and 124.11 is: 185.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.23 : 197.98 = 124.11 : x
  2. Step 2: Convert to fraction form
    132.23/197.98 = 124.11/x
  3. Step 3: Cross multiply
    132.23x = 197.98 × 124.11
  4. Step 4: Simplify right side
    132.23x = 24,571.30
  5. Step 5: Solve for x
    x = 24,571.30/132.23
  6. Step 6: Final answer
    x = 185.82

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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.