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Finding the Fourth Proportional to 95.68, 132.06 and 68.02

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Solution

The fourth proportional to 95.68, 132.06 and 68.02 is: 93.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.68 : 132.06 = 68.02 : x
  2. Step 2: Convert to fraction form
    95.68/132.06 = 68.02/x
  3. Step 3: Cross multiply
    95.68x = 132.06 × 68.02
  4. Step 4: Simplify right side
    95.68x = 8,982.72
  5. Step 5: Solve for x
    x = 8,982.72/95.68
  6. Step 6: Final answer
    x = 93.88

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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.