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Finding the Fourth Proportional to 96.06, 132.66 and 66.99

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Solution

The fourth proportional to 96.06, 132.66 and 66.99 is: 92.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.06 : 132.66 = 66.99 : x
  2. Step 2: Convert to fraction form
    96.06/132.66 = 66.99/x
  3. Step 3: Cross multiply
    96.06x = 132.66 × 66.99
  4. Step 4: Simplify right side
    96.06x = 8,886.89
  5. Step 5: Solve for x
    x = 8,886.89/96.06
  6. Step 6: Final answer
    x = 92.51

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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.