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Finding the Fourth Proportional to 95.84, 132 and 84.96

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Solution

The fourth proportional to 95.84, 132 and 84.96 is: 117.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.84 : 132 = 84.96 : x
  2. Step 2: Convert to fraction form
    95.84/132 = 84.96/x
  3. Step 3: Cross multiply
    95.84x = 132 × 84.96
  4. Step 4: Simplify right side
    95.84x = 11,214.72
  5. Step 5: Solve for x
    x = 11,214.72/95.84
  6. Step 6: Final answer
    x = 117.02

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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.