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Finding the Fourth Proportional to 132.32, 198.24 and 96.16

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Solution

The fourth proportional to 132.32, 198.24 and 96.16 is: 144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.32 : 198.24 = 96.16 : x
  2. Step 2: Convert to fraction form
    132.32/198.24 = 96.16/x
  3. Step 3: Cross multiply
    132.32x = 198.24 × 96.16
  4. Step 4: Simplify right side
    132.32x = 19,062.76
  5. Step 5: Solve for x
    x = 19,062.76/132.32
  6. Step 6: Final answer
    x = 144.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.