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Finding the Fourth Proportional to 96.16, 133.04 and 94.96

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Solution

The fourth proportional to 96.16, 133.04 and 94.96 is: 131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    96.16 : 133.04 = 94.96 : x
  2. Step 2: Convert to fraction form
    96.16/133.04 = 94.96/x
  3. Step 3: Cross multiply
    96.16x = 133.04 × 94.96
  4. Step 4: Simplify right side
    96.16x = 12,633.48
  5. Step 5: Solve for x
    x = 12,633.48/96.16
  6. Step 6: Final answer
    x = 131.38

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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.