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Finding the Fourth Proportional to 132.32, 198.50 and 41.00

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Solution

The fourth proportional to 132.32, 198.50 and 41.00 is: 61.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.32 : 198.50 = 41.00 : x
  2. Step 2: Convert to fraction form
    132.32/198.50 = 41.00/x
  3. Step 3: Cross multiply
    132.32x = 198.50 × 41.00
  4. Step 4: Simplify right side
    132.32x = 8,138.79
  5. Step 5: Solve for x
    x = 8,138.79/132.32
  6. Step 6: Final answer
    x = 61.51

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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.