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Finding the Fourth Proportional to 95.22, 131.67 and 92.34

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Solution

The fourth proportional to 95.22, 131.67 and 92.34 is: 127.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.22 : 131.67 = 92.34 : x
  2. Step 2: Convert to fraction form
    95.22/131.67 = 92.34/x
  3. Step 3: Cross multiply
    95.22x = 131.67 × 92.34
  4. Step 4: Simplify right side
    95.22x = 12,158.41
  5. Step 5: Solve for x
    x = 12,158.41/95.22
  6. Step 6: Final answer
    x = 127.69

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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.