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Finding the Fourth Proportional to 227.91, 341.84 and 106.17

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Solution

The fourth proportional to 227.91, 341.84 and 106.17 is: 159.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.91 : 341.84 = 106.17 : x
  2. Step 2: Convert to fraction form
    227.91/341.84 = 106.17/x
  3. Step 3: Cross multiply
    227.91x = 341.84 × 106.17
  4. Step 4: Simplify right side
    227.91x = 36,293.15
  5. Step 5: Solve for x
    x = 36,293.15/227.91
  6. Step 6: Final answer
    x = 159.24

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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.