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Finding the Fourth Proportional to 108.06, 161.94 and 94.44

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Solution

The fourth proportional to 108.06, 161.94 and 94.44 is: 141.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.06 : 161.94 = 94.44 : x
  2. Step 2: Convert to fraction form
    108.06/161.94 = 94.44/x
  3. Step 3: Cross multiply
    108.06x = 161.94 × 94.44
  4. Step 4: Simplify right side
    108.06x = 15,293.61
  5. Step 5: Solve for x
    x = 15,293.61/108.06
  6. Step 6: Final answer
    x = 141.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.