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Finding the Fourth Proportional to 132.35, 198.54 and 41.04

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Solution

The fourth proportional to 132.35, 198.54 and 41.04 is: 61.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.35 : 198.54 = 41.04 : x
  2. Step 2: Convert to fraction form
    132.35/198.54 = 41.04/x
  3. Step 3: Cross multiply
    132.35x = 198.54 × 41.04
  4. Step 4: Simplify right side
    132.35x = 8,148.08
  5. Step 5: Solve for x
    x = 8,148.08/132.35
  6. Step 6: Final answer
    x = 61.57

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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.