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Finding the Fourth Proportional to 227.96, 341.93 and 83.68

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Solution

The fourth proportional to 227.96, 341.93 and 83.68 is: 125.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.96 : 341.93 = 83.68 : x
  2. Step 2: Convert to fraction form
    227.96/341.93 = 83.68/x
  3. Step 3: Cross multiply
    227.96x = 341.93 × 83.68
  4. Step 4: Simplify right side
    227.96x = 28,612.06
  5. Step 5: Solve for x
    x = 28,612.06/227.96
  6. Step 6: Final answer
    x = 125.51

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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.