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Finding the Fourth Proportional to 132.48, 198.54 and 96.48

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Solution

The fourth proportional to 132.48, 198.54 and 96.48 is: 144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.48 : 198.54 = 96.48 : x
  2. Step 2: Convert to fraction form
    132.48/198.54 = 96.48/x
  3. Step 3: Cross multiply
    132.48x = 198.54 × 96.48
  4. Step 4: Simplify right side
    132.48x = 19,155.14
  5. Step 5: Solve for x
    x = 19,155.14/132.48
  6. Step 6: Final answer
    x = 144.59

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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.