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Finding the Fourth Proportional to 126.46, 174.42 and 96.44

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Solution

The fourth proportional to 126.46, 174.42 and 96.44 is: 133.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126.46 : 174.42 = 96.44 : x
  2. Step 2: Convert to fraction form
    126.46/174.42 = 96.44/x
  3. Step 3: Cross multiply
    126.46x = 174.42 × 96.44
  4. Step 4: Simplify right side
    126.46x = 16,821.06
  5. Step 5: Solve for x
    x = 16,821.06/126.46
  6. Step 6: Final answer
    x = 133.01

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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.