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Finding the Fourth Proportional to 244.90, 367.33 and 71.56

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Solution

The fourth proportional to 244.90, 367.33 and 71.56 is: 107.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.90 : 367.33 = 71.56 : x
  2. Step 2: Convert to fraction form
    244.90/367.33 = 71.56/x
  3. Step 3: Cross multiply
    244.90x = 367.33 × 71.56
  4. Step 4: Simplify right side
    244.90x = 26,286.13
  5. Step 5: Solve for x
    x = 26,286.13/244.90
  6. Step 6: Final answer
    x = 107.33

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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.