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Finding the Fourth Proportional to 132.54, 198.63 and 92.04

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Solution

The fourth proportional to 132.54, 198.63 and 92.04 is: 137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.54 : 198.63 = 92.04 : x
  2. Step 2: Convert to fraction form
    132.54/198.63 = 92.04/x
  3. Step 3: Cross multiply
    132.54x = 198.63 × 92.04
  4. Step 4: Simplify right side
    132.54x = 18,281.91
  5. Step 5: Solve for x
    x = 18,281.91/132.54
  6. Step 6: Final answer
    x = 137.94

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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.