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Finding the Fourth Proportional to 224.04, 335.57 and 137.12

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Solution

The fourth proportional to 224.04, 335.57 and 137.12 is: 205.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.04 : 335.57 = 137.12 : x
  2. Step 2: Convert to fraction form
    224.04/335.57 = 137.12/x
  3. Step 3: Cross multiply
    224.04x = 335.57 × 137.12
  4. Step 4: Simplify right side
    224.04x = 46,012.02
  5. Step 5: Solve for x
    x = 46,012.02/224.04
  6. Step 6: Final answer
    x = 205.37

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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.