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Finding the Fourth Proportional to 95.36, 132.24 and 89.42

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Solution

The fourth proportional to 95.36, 132.24 and 89.42 is: 124.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.36 : 132.24 = 89.42 : x
  2. Step 2: Convert to fraction form
    95.36/132.24 = 89.42/x
  3. Step 3: Cross multiply
    95.36x = 132.24 × 89.42
  4. Step 4: Simplify right side
    95.36x = 11,824.57
  5. Step 5: Solve for x
    x = 11,824.57/95.36
  6. Step 6: Final answer
    x = 124.01

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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.