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Finding the Fourth Proportional to 229.73, 344.59 and 108.08

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Solution

The fourth proportional to 229.73, 344.59 and 108.08 is: 162.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.73 : 344.59 = 108.08 : x
  2. Step 2: Convert to fraction form
    229.73/344.59 = 108.08/x
  3. Step 3: Cross multiply
    229.73x = 344.59 × 108.08
  4. Step 4: Simplify right side
    229.73x = 37,241.56
  5. Step 5: Solve for x
    x = 37,241.56/229.73
  6. Step 6: Final answer
    x = 162.11

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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.