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Finding the Fourth Proportional to 95.16, 141.81 and 92.52

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Solution

The fourth proportional to 95.16, 141.81 and 92.52 is: 137.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.16 : 141.81 = 92.52 : x
  2. Step 2: Convert to fraction form
    95.16/141.81 = 92.52/x
  3. Step 3: Cross multiply
    95.16x = 141.81 × 92.52
  4. Step 4: Simplify right side
    95.16x = 13,120.85
  5. Step 5: Solve for x
    x = 13,120.85/95.16
  6. Step 6: Final answer
    x = 137.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.