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Finding the Fourth Proportional to 244.01, 366.01 and 81.67

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Solution

The fourth proportional to 244.01, 366.01 and 81.67 is: 122.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    244.01 : 366.01 = 81.67 : x
  2. Step 2: Convert to fraction form
    244.01/366.01 = 81.67/x
  3. Step 3: Cross multiply
    244.01x = 366.01 × 81.67
  4. Step 4: Simplify right side
    244.01x = 29,892.04
  5. Step 5: Solve for x
    x = 29,892.04/244.01
  6. Step 6: Final answer
    x = 122.50

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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.