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Finding the Fourth Proportional to 132.27, 182.40 and 116.34

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Solution

The fourth proportional to 132.27, 182.40 and 116.34 is: 160.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.27 : 182.40 = 116.34 : x
  2. Step 2: Convert to fraction form
    132.27/182.40 = 116.34/x
  3. Step 3: Cross multiply
    132.27x = 182.40 × 116.34
  4. Step 4: Simplify right side
    132.27x = 21,220.42
  5. Step 5: Solve for x
    x = 21,220.42/132.27
  6. Step 6: Final answer
    x = 160.43

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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.