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Finding the Fourth Proportional to 96.56, 133.30 and 67.52

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Solution

The fourth proportional to 96.56, 133.30 and 67.52 is: 93.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.56 : 133.30 = 67.52 : x
  2. Step 2: Convert to fraction form
    96.56/133.30 = 67.52/x
  3. Step 3: Cross multiply
    96.56x = 133.30 × 67.52
  4. Step 4: Simplify right side
    96.56x = 9,000.42
  5. Step 5: Solve for x
    x = 9,000.42/96.56
  6. Step 6: Final answer
    x = 93.21

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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.