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Finding the Fourth Proportional to 95.84, 132.18 and 82.01

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Solution

The fourth proportional to 95.84, 132.18 and 82.01 is: 113.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.84 : 132.18 = 82.01 : x
  2. Step 2: Convert to fraction form
    95.84/132.18 = 82.01/x
  3. Step 3: Cross multiply
    95.84x = 132.18 × 82.01
  4. Step 4: Simplify right side
    95.84x = 10,840.08
  5. Step 5: Solve for x
    x = 10,840.08/95.84
  6. Step 6: Final answer
    x = 113.11

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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.