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Finding the Fourth Proportional to 96.10, 132.62 and 58.74

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Solution

The fourth proportional to 96.10, 132.62 and 58.74 is: 81.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.10 : 132.62 = 58.74 : x
  2. Step 2: Convert to fraction form
    96.10/132.62 = 58.74/x
  3. Step 3: Cross multiply
    96.10x = 132.62 × 58.74
  4. Step 4: Simplify right side
    96.10x = 7,790.05
  5. Step 5: Solve for x
    x = 7,790.05/96.10
  6. Step 6: Final answer
    x = 81.06

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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.