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Finding the Fourth Proportional to 96.24, 132.87 and 59.45

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Solution

The fourth proportional to 96.24, 132.87 and 59.45 is: 82.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.24 : 132.87 = 59.45 : x
  2. Step 2: Convert to fraction form
    96.24/132.87 = 59.45/x
  3. Step 3: Cross multiply
    96.24x = 132.87 × 59.45
  4. Step 4: Simplify right side
    96.24x = 7,899.12
  5. Step 5: Solve for x
    x = 7,899.12/96.24
  6. Step 6: Final answer
    x = 82.08

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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.