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Finding the Fourth Proportional to 227.95, 341.79 and 73.84

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Solution

The fourth proportional to 227.95, 341.79 and 73.84 is: 110.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    227.95 : 341.79 = 73.84 : x
  2. Step 2: Convert to fraction form
    227.95/341.79 = 73.84/x
  3. Step 3: Cross multiply
    227.95x = 341.79 × 73.84
  4. Step 4: Simplify right side
    227.95x = 25,237.77
  5. Step 5: Solve for x
    x = 25,237.77/227.95
  6. Step 6: Final answer
    x = 110.72

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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.