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Finding the Fourth Proportional to 95.99, 132.33 and 69.76

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Solution

The fourth proportional to 95.99, 132.33 and 69.76 is: 96.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.99 : 132.33 = 69.76 : x
  2. Step 2: Convert to fraction form
    95.99/132.33 = 69.76/x
  3. Step 3: Cross multiply
    95.99x = 132.33 × 69.76
  4. Step 4: Simplify right side
    95.99x = 9,231.77
  5. Step 5: Solve for x
    x = 9,231.77/95.99
  6. Step 6: Final answer
    x = 96.18

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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.