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Finding the Fourth Proportional to 96.16, 132.75 and 67.00

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Solution

The fourth proportional to 96.16, 132.75 and 67.00 is: 92.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.16 : 132.75 = 67.00 : x
  2. Step 2: Convert to fraction form
    96.16/132.75 = 67.00/x
  3. Step 3: Cross multiply
    96.16x = 132.75 × 67.00
  4. Step 4: Simplify right side
    96.16x = 8,893.59
  5. Step 5: Solve for x
    x = 8,893.59/96.16
  6. Step 6: Final answer
    x = 92.49

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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.