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Finding the Fourth Proportional to 110.94, 167.04 and 97.56

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Solution

The fourth proportional to 110.94, 167.04 and 97.56 is: 146.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110.94 : 167.04 = 97.56 : x
  2. Step 2: Convert to fraction form
    110.94/167.04 = 97.56/x
  3. Step 3: Cross multiply
    110.94x = 167.04 × 97.56
  4. Step 4: Simplify right side
    110.94x = 16,296.42
  5. Step 5: Solve for x
    x = 16,296.42/110.94
  6. Step 6: Final answer
    x = 146.89

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.