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Finding the Fourth Proportional to 96.27, 132.84 and 56.92

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Solution

The fourth proportional to 96.27, 132.84 and 56.92 is: 78.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.27 : 132.84 = 56.92 : x
  2. Step 2: Convert to fraction form
    96.27/132.84 = 56.92/x
  3. Step 3: Cross multiply
    96.27x = 132.84 × 56.92
  4. Step 4: Simplify right side
    96.27x = 7,561.25
  5. Step 5: Solve for x
    x = 7,561.25/96.27
  6. Step 6: Final answer
    x = 78.54

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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.