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Finding the Fourth Proportional to 96.04, 132.49 and 66.94

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Solution

The fourth proportional to 96.04, 132.49 and 66.94 is: 92.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.04 : 132.49 = 66.94 : x
  2. Step 2: Convert to fraction form
    96.04/132.49 = 66.94/x
  3. Step 3: Cross multiply
    96.04x = 132.49 × 66.94
  4. Step 4: Simplify right side
    96.04x = 8,869.61
  5. Step 5: Solve for x
    x = 8,869.61/96.04
  6. Step 6: Final answer
    x = 92.36

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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.