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Finding the Fourth Proportional to 95.25, 131.46 and 73.41

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Solution

The fourth proportional to 95.25, 131.46 and 73.41 is: 101.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.25 : 131.46 = 73.41 : x
  2. Step 2: Convert to fraction form
    95.25/131.46 = 73.41/x
  3. Step 3: Cross multiply
    95.25x = 131.46 × 73.41
  4. Step 4: Simplify right side
    95.25x = 9,650.48
  5. Step 5: Solve for x
    x = 9,650.48/95.25
  6. Step 6: Final answer
    x = 101.32

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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.