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Finding the Fourth Proportional to 132.27, 182.69 and 119.98

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Solution

The fourth proportional to 132.27, 182.69 and 119.98 is: 165.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.27 : 182.69 = 119.98 : x
  2. Step 2: Convert to fraction form
    132.27/182.69 = 119.98/x
  3. Step 3: Cross multiply
    132.27x = 182.69 × 119.98
  4. Step 4: Simplify right side
    132.27x = 21,919.15
  5. Step 5: Solve for x
    x = 21,919.15/132.27
  6. Step 6: Final answer
    x = 165.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.