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Finding the Fourth Proportional to 94.99, 131.13 and 92.44

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Solution

The fourth proportional to 94.99, 131.13 and 92.44 is: 127.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    94.99 : 131.13 = 92.44 : x
  2. Step 2: Convert to fraction form
    94.99/131.13 = 92.44/x
  3. Step 3: Cross multiply
    94.99x = 131.13 × 92.44
  4. Step 4: Simplify right side
    94.99x = 12,121.66
  5. Step 5: Solve for x
    x = 12,121.66/94.99
  6. Step 6: Final answer
    x = 127.61

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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.