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Finding the Fourth Proportional to 224.90, 336.63 and 122.03

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Solution

The fourth proportional to 224.90, 336.63 and 122.03 is: 182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.90 : 336.63 = 122.03 : x
  2. Step 2: Convert to fraction form
    224.90/336.63 = 122.03/x
  3. Step 3: Cross multiply
    224.90x = 336.63 × 122.03
  4. Step 4: Simplify right side
    224.90x = 41,077.28
  5. Step 5: Solve for x
    x = 41,077.28/224.90
  6. Step 6: Final answer
    x = 182.65

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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.