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Finding the Fourth Proportional to 244.42, 366.31 and 122.77

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Solution

The fourth proportional to 244.42, 366.31 and 122.77 is: 183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.42 : 366.31 = 122.77 : x
  2. Step 2: Convert to fraction form
    244.42/366.31 = 122.77/x
  3. Step 3: Cross multiply
    244.42x = 366.31 × 122.77
  4. Step 4: Simplify right side
    244.42x = 44,971.80
  5. Step 5: Solve for x
    x = 44,971.80/244.42
  6. Step 6: Final answer
    x = 183.99

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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.