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Finding the Fourth Proportional to 108.37, 162.60 and 44.23

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Solution

The fourth proportional to 108.37, 162.60 and 44.23 is: 66.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    108.37 : 162.60 = 44.23 : x
  2. Step 2: Convert to fraction form
    108.37/162.60 = 44.23/x
  3. Step 3: Cross multiply
    108.37x = 162.60 × 44.23
  4. Step 4: Simplify right side
    108.37x = 7,191.80
  5. Step 5: Solve for x
    x = 7,191.80/108.37
  6. Step 6: Final answer
    x = 66.36

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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.