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Finding the Fourth Proportional to 95.41, 131.37 and 91.52

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Solution

The fourth proportional to 95.41, 131.37 and 91.52 is: 126.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.41 : 131.37 = 91.52 : x
  2. Step 2: Convert to fraction form
    95.41/131.37 = 91.52/x
  3. Step 3: Cross multiply
    95.41x = 131.37 × 91.52
  4. Step 4: Simplify right side
    95.41x = 12,022.33
  5. Step 5: Solve for x
    x = 12,022.33/95.41
  6. Step 6: Final answer
    x = 126.01

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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.