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Finding the Fourth Proportional to 95.31, 132.44 and 94.32

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Solution

The fourth proportional to 95.31, 132.44 and 94.32 is: 131.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.31 : 132.44 = 94.32 : x
  2. Step 2: Convert to fraction form
    95.31/132.44 = 94.32/x
  3. Step 3: Cross multiply
    95.31x = 132.44 × 94.32
  4. Step 4: Simplify right side
    95.31x = 12,490.61
  5. Step 5: Solve for x
    x = 12,490.61/95.31
  6. Step 6: Final answer
    x = 131.06

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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.