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Finding the Fourth Proportional to 132.14, 197.99 and 93.54

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Solution

The fourth proportional to 132.14, 197.99 and 93.54 is: 140.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.14 : 197.99 = 93.54 : x
  2. Step 2: Convert to fraction form
    132.14/197.99 = 93.54/x
  3. Step 3: Cross multiply
    132.14x = 197.99 × 93.54
  4. Step 4: Simplify right side
    132.14x = 18,520.22
  5. Step 5: Solve for x
    x = 18,520.22/132.14
  6. Step 6: Final answer
    x = 140.15

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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.