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Finding the Fourth Proportional to 95.75, 132.26 and 68.25

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Solution

The fourth proportional to 95.75, 132.26 and 68.25 is: 94.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.75 : 132.26 = 68.25 : x
  2. Step 2: Convert to fraction form
    95.75/132.26 = 68.25/x
  3. Step 3: Cross multiply
    95.75x = 132.26 × 68.25
  4. Step 4: Simplify right side
    95.75x = 9,026.40
  5. Step 5: Solve for x
    x = 9,026.40/95.75
  6. Step 6: Final answer
    x = 94.28

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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.