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Finding the Fourth Proportional to 230.08, 344.96 and 116

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Solution

The fourth proportional to 230.08, 344.96 and 116 is: 173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    230.08 : 344.96 = 116 : x
  2. Step 2: Convert to fraction form
    230.08/344.96 = 116/x
  3. Step 3: Cross multiply
    230.08x = 344.96 × 116
  4. Step 4: Simplify right side
    230.08x = 40,015.36
  5. Step 5: Solve for x
    x = 40,015.36/230.08
  6. Step 6: Final answer
    x = 173.92

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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.