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Finding the Fourth Proportional to 224.71, 336.91 and 109.04

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Solution

The fourth proportional to 224.71, 336.91 and 109.04 is: 163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.71 : 336.91 = 109.04 : x
  2. Step 2: Convert to fraction form
    224.71/336.91 = 109.04/x
  3. Step 3: Cross multiply
    224.71x = 336.91 × 109.04
  4. Step 4: Simplify right side
    224.71x = 36,737.24
  5. Step 5: Solve for x
    x = 36,737.24/224.71
  6. Step 6: Final answer
    x = 163.49

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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.