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Finding the Fourth Proportional to 108.56, 162.84 and 44.44

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Solution

The fourth proportional to 108.56, 162.84 and 44.44 is: 66.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.56 : 162.84 = 44.44 : x
  2. Step 2: Convert to fraction form
    108.56/162.84 = 44.44/x
  3. Step 3: Cross multiply
    108.56x = 162.84 × 44.44
  4. Step 4: Simplify right side
    108.56x = 7,236.61
  5. Step 5: Solve for x
    x = 7,236.61/108.56
  6. Step 6: Final answer
    x = 66.66

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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.