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Finding the Fourth Proportional to 244.46, 366.54 and 122.78

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Solution

The fourth proportional to 244.46, 366.54 and 122.78 is: 184.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.46 : 366.54 = 122.78 : x
  2. Step 2: Convert to fraction form
    244.46/366.54 = 122.78/x
  3. Step 3: Cross multiply
    244.46x = 366.54 × 122.78
  4. Step 4: Simplify right side
    244.46x = 45,003.78
  5. Step 5: Solve for x
    x = 45,003.78/244.46
  6. Step 6: Final answer
    x = 184.09

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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.