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Finding the Fourth Proportional to 132.14, 197.70 and 96.08

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Solution

The fourth proportional to 132.14, 197.70 and 96.08 is: 143.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    132.14 : 197.70 = 96.08 : x
  2. Step 2: Convert to fraction form
    132.14/197.70 = 96.08/x
  3. Step 3: Cross multiply
    132.14x = 197.70 × 96.08
  4. Step 4: Simplify right side
    132.14x = 18,995.02
  5. Step 5: Solve for x
    x = 18,995.02/132.14
  6. Step 6: Final answer
    x = 143.75

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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.