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Finding the Fourth Proportional to 95.73, 132.06 and 79.32

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Solution

The fourth proportional to 95.73, 132.06 and 79.32 is: 109.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.73 : 132.06 = 79.32 : x
  2. Step 2: Convert to fraction form
    95.73/132.06 = 79.32/x
  3. Step 3: Cross multiply
    95.73x = 132.06 × 79.32
  4. Step 4: Simplify right side
    95.73x = 10,475.00
  5. Step 5: Solve for x
    x = 10,475.00/95.73
  6. Step 6: Final answer
    x = 109.42

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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.