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Finding the Fourth Proportional to 96.26, 132.77 and 59.40

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Solution

The fourth proportional to 96.26, 132.77 and 59.40 is: 81.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.26 : 132.77 = 59.40 : x
  2. Step 2: Convert to fraction form
    96.26/132.77 = 59.40/x
  3. Step 3: Cross multiply
    96.26x = 132.77 × 59.40
  4. Step 4: Simplify right side
    96.26x = 7,886.69
  5. Step 5: Solve for x
    x = 7,886.69/96.26
  6. Step 6: Final answer
    x = 81.94

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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.