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Finding the Fourth Proportional to 244.20, 366.42 and 141.36

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Solution

The fourth proportional to 244.20, 366.42 and 141.36 is: 212.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.20 : 366.42 = 141.36 : x
  2. Step 2: Convert to fraction form
    244.20/366.42 = 141.36/x
  3. Step 3: Cross multiply
    244.20x = 366.42 × 141.36
  4. Step 4: Simplify right side
    244.20x = 51,797.13
  5. Step 5: Solve for x
    x = 51,797.13/244.20
  6. Step 6: Final answer
    x = 212.11

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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.