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Finding the Fourth Proportional to 95.18, 132.26 and 94.19

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Solution

The fourth proportional to 95.18, 132.26 and 94.19 is: 130.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.18 : 132.26 = 94.19 : x
  2. Step 2: Convert to fraction form
    95.18/132.26 = 94.19/x
  3. Step 3: Cross multiply
    95.18x = 132.26 × 94.19
  4. Step 4: Simplify right side
    95.18x = 12,457.57
  5. Step 5: Solve for x
    x = 12,457.57/95.18
  6. Step 6: Final answer
    x = 130.88

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.