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Finding the Fourth Proportional to 95.70, 132.01 and 60.66

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Solution

The fourth proportional to 95.70, 132.01 and 60.66 is: 83.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.70 : 132.01 = 60.66 : x
  2. Step 2: Convert to fraction form
    95.70/132.01 = 60.66/x
  3. Step 3: Cross multiply
    95.70x = 132.01 × 60.66
  4. Step 4: Simplify right side
    95.70x = 8,007.42
  5. Step 5: Solve for x
    x = 8,007.42/95.70
  6. Step 6: Final answer
    x = 83.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.