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Finding the Fourth Proportional to 244.29, 366.45 and 82.08

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Solution

The fourth proportional to 244.29, 366.45 and 82.08 is: 123.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.29 : 366.45 = 82.08 : x
  2. Step 2: Convert to fraction form
    244.29/366.45 = 82.08/x
  3. Step 3: Cross multiply
    244.29x = 366.45 × 82.08
  4. Step 4: Simplify right side
    244.29x = 30,078.22
  5. Step 5: Solve for x
    x = 30,078.22/244.29
  6. Step 6: Final answer
    x = 123.13

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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.