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Finding the Fourth Proportional to 132.19, 182.37 and 83.04

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Solution

The fourth proportional to 132.19, 182.37 and 83.04 is: 114.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.19 : 182.37 = 83.04 : x
  2. Step 2: Convert to fraction form
    132.19/182.37 = 83.04/x
  3. Step 3: Cross multiply
    132.19x = 182.37 × 83.04
  4. Step 4: Simplify right side
    132.19x = 15,144.00
  5. Step 5: Solve for x
    x = 15,144.00/132.19
  6. Step 6: Final answer
    x = 114.56

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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.