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Finding the Fourth Proportional to 96.06, 132.57 and 56.73

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Solution

The fourth proportional to 96.06, 132.57 and 56.73 is: 78.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.06 : 132.57 = 56.73 : x
  2. Step 2: Convert to fraction form
    96.06/132.57 = 56.73/x
  3. Step 3: Cross multiply
    96.06x = 132.57 × 56.73
  4. Step 4: Simplify right side
    96.06x = 7,519.75
  5. Step 5: Solve for x
    x = 7,519.75/96.06
  6. Step 6: Final answer
    x = 78.29

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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.