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Finding the Fourth Proportional to 132.22, 182.37 and 88.48

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Solution

The fourth proportional to 132.22, 182.37 and 88.48 is: 122.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.22 : 182.37 = 88.48 : x
  2. Step 2: Convert to fraction form
    132.22/182.37 = 88.48/x
  3. Step 3: Cross multiply
    132.22x = 182.37 × 88.48
  4. Step 4: Simplify right side
    132.22x = 16,136.10
  5. Step 5: Solve for x
    x = 16,136.10/132.22
  6. Step 6: Final answer
    x = 122.04

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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.