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Finding the Fourth Proportional to 132.44, 182.83 and 88.25

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Solution

The fourth proportional to 132.44, 182.83 and 88.25 is: 121.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.44 : 182.83 = 88.25 : x
  2. Step 2: Convert to fraction form
    132.44/182.83 = 88.25/x
  3. Step 3: Cross multiply
    132.44x = 182.83 × 88.25
  4. Step 4: Simplify right side
    132.44x = 16,135.15
  5. Step 5: Solve for x
    x = 16,135.15/132.44
  6. Step 6: Final answer
    x = 121.83

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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.