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Finding the Fourth Proportional to 132.14, 198.18 and 35.96

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Solution

The fourth proportional to 132.14, 198.18 and 35.96 is: 53.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.14 : 198.18 = 35.96 : x
  2. Step 2: Convert to fraction form
    132.14/198.18 = 35.96/x
  3. Step 3: Cross multiply
    132.14x = 198.18 × 35.96
  4. Step 4: Simplify right side
    132.14x = 7,126.55
  5. Step 5: Solve for x
    x = 7,126.55/132.14
  6. Step 6: Final answer
    x = 53.93

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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.