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Finding the Fourth Proportional to 244.04, 366.08 and 81.77

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Solution

The fourth proportional to 244.04, 366.08 and 81.77 is: 122.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.04 : 366.08 = 81.77 : x
  2. Step 2: Convert to fraction form
    244.04/366.08 = 81.77/x
  3. Step 3: Cross multiply
    244.04x = 366.08 × 81.77
  4. Step 4: Simplify right side
    244.04x = 29,932.12
  5. Step 5: Solve for x
    x = 29,932.12/244.04
  6. Step 6: Final answer
    x = 122.66

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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.