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Finding the Fourth Proportional to 132.67, 182.99 and 97.69

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Solution

The fourth proportional to 132.67, 182.99 and 97.69 is: 134.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.67 : 182.99 = 97.69 : x
  2. Step 2: Convert to fraction form
    132.67/182.99 = 97.69/x
  3. Step 3: Cross multiply
    132.67x = 182.99 × 97.69
  4. Step 4: Simplify right side
    132.67x = 17,876.29
  5. Step 5: Solve for x
    x = 17,876.29/132.67
  6. Step 6: Final answer
    x = 134.74

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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.