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Finding the Fourth Proportional to 229.64, 344.44 and 119.96

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Solution

The fourth proportional to 229.64, 344.44 and 119.96 is: 179.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    229.64 : 344.44 = 119.96 : x
  2. Step 2: Convert to fraction form
    229.64/344.44 = 119.96/x
  3. Step 3: Cross multiply
    229.64x = 344.44 × 119.96
  4. Step 4: Simplify right side
    229.64x = 41,319.02
  5. Step 5: Solve for x
    x = 41,319.02/229.64
  6. Step 6: Final answer
    x = 179.93

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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.