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Finding the Fourth Proportional to 132.11, 182.33 and 92.76

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Solution

The fourth proportional to 132.11, 182.33 and 92.76 is: 128.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.11 : 182.33 = 92.76 : x
  2. Step 2: Convert to fraction form
    132.11/182.33 = 92.76/x
  3. Step 3: Cross multiply
    132.11x = 182.33 × 92.76
  4. Step 4: Simplify right side
    132.11x = 16,911.56
  5. Step 5: Solve for x
    x = 16,911.56/132.11
  6. Step 6: Final answer
    x = 128.01

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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.