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Finding the Fourth Proportional to 227.73, 341.61 and 73.66

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Solution

The fourth proportional to 227.73, 341.61 and 73.66 is: 110.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.73 : 341.61 = 73.66 : x
  2. Step 2: Convert to fraction form
    227.73/341.61 = 73.66/x
  3. Step 3: Cross multiply
    227.73x = 341.61 × 73.66
  4. Step 4: Simplify right side
    227.73x = 25,162.99
  5. Step 5: Solve for x
    x = 25,162.99/227.73
  6. Step 6: Final answer
    x = 110.49

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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.