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Finding the Fourth Proportional to 96.10, 132.63 and 61.18

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Solution

The fourth proportional to 96.10, 132.63 and 61.18 is: 84.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.10 : 132.63 = 61.18 : x
  2. Step 2: Convert to fraction form
    96.10/132.63 = 61.18/x
  3. Step 3: Cross multiply
    96.10x = 132.63 × 61.18
  4. Step 4: Simplify right side
    96.10x = 8,114.30
  5. Step 5: Solve for x
    x = 8,114.30/96.10
  6. Step 6: Final answer
    x = 84.44

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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.