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Finding the Fourth Proportional to 96.41, 132.89 and 88.46

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Solution

The fourth proportional to 96.41, 132.89 and 88.46 is: 121.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.41 : 132.89 = 88.46 : x
  2. Step 2: Convert to fraction form
    96.41/132.89 = 88.46/x
  3. Step 3: Cross multiply
    96.41x = 132.89 × 88.46
  4. Step 4: Simplify right side
    96.41x = 11,756.00
  5. Step 5: Solve for x
    x = 11,756.00/96.41
  6. Step 6: Final answer
    x = 121.94

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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.