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Finding the Fourth Proportional to 95.24, 132.04 and 91.90

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Solution

The fourth proportional to 95.24, 132.04 and 91.90 is: 127.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.24 : 132.04 = 91.90 : x
  2. Step 2: Convert to fraction form
    95.24/132.04 = 91.90/x
  3. Step 3: Cross multiply
    95.24x = 132.04 × 91.90
  4. Step 4: Simplify right side
    95.24x = 12,134.76
  5. Step 5: Solve for x
    x = 12,134.76/95.24
  6. Step 6: Final answer
    x = 127.41

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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.