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Finding the Fourth Proportional to 244.95, 367.32 and 82.56

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Solution

The fourth proportional to 244.95, 367.32 and 82.56 is: 123.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.95 : 367.32 = 82.56 : x
  2. Step 2: Convert to fraction form
    244.95/367.32 = 82.56/x
  3. Step 3: Cross multiply
    244.95x = 367.32 × 82.56
  4. Step 4: Simplify right side
    244.95x = 30,325.94
  5. Step 5: Solve for x
    x = 30,325.94/244.95
  6. Step 6: Final answer
    x = 123.80

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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.