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Finding the Fourth Proportional to 96.54, 133.30 and 73.26

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Solution

The fourth proportional to 96.54, 133.30 and 73.26 is: 101.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.54 : 133.30 = 73.26 : x
  2. Step 2: Convert to fraction form
    96.54/133.30 = 73.26/x
  3. Step 3: Cross multiply
    96.54x = 133.30 × 73.26
  4. Step 4: Simplify right side
    96.54x = 9,765.56
  5. Step 5: Solve for x
    x = 9,765.56/96.54
  6. Step 6: Final answer
    x = 101.16

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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.