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Finding the Fourth Proportional to 224.66, 336.71 and 80.30

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Solution

The fourth proportional to 224.66, 336.71 and 80.30 is: 120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.66 : 336.71 = 80.30 : x
  2. Step 2: Convert to fraction form
    224.66/336.71 = 80.30/x
  3. Step 3: Cross multiply
    224.66x = 336.71 × 80.30
  4. Step 4: Simplify right side
    224.66x = 27,036.33
  5. Step 5: Solve for x
    x = 27,036.33/224.66
  6. Step 6: Final answer
    x = 120.35

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.