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Finding the Fourth Proportional to 96.54, 132.93 and 88.80

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Solution

The fourth proportional to 96.54, 132.93 and 88.80 is: 122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.54 : 132.93 = 88.80 : x
  2. Step 2: Convert to fraction form
    96.54/132.93 = 88.80/x
  3. Step 3: Cross multiply
    96.54x = 132.93 × 88.80
  4. Step 4: Simplify right side
    96.54x = 11,804.18
  5. Step 5: Solve for x
    x = 11,804.18/96.54
  6. Step 6: Final answer
    x = 122.27

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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.