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Finding the Fourth Proportional to 224.02, 335.25 and 137.32

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Solution

The fourth proportional to 224.02, 335.25 and 137.32 is: 205.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.02 : 335.25 = 137.32 : x
  2. Step 2: Convert to fraction form
    224.02/335.25 = 137.32/x
  3. Step 3: Cross multiply
    224.02x = 335.25 × 137.32
  4. Step 4: Simplify right side
    224.02x = 46,036.53
  5. Step 5: Solve for x
    x = 46,036.53/224.02
  6. Step 6: Final answer
    x = 205.50

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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.