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Finding the Fourth Proportional to 108.44, 162.66 and 46.73

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Solution

The fourth proportional to 108.44, 162.66 and 46.73 is: 70.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.44 : 162.66 = 46.73 : x
  2. Step 2: Convert to fraction form
    108.44/162.66 = 46.73/x
  3. Step 3: Cross multiply
    108.44x = 162.66 × 46.73
  4. Step 4: Simplify right side
    108.44x = 7,601.10
  5. Step 5: Solve for x
    x = 7,601.10/108.44
  6. Step 6: Final answer
    x = 70.10

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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.