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Finding the Fourth Proportional to 224.06, 336.08 and 61.74

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Solution

The fourth proportional to 224.06, 336.08 and 61.74 is: 92.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.06 : 336.08 = 61.74 : x
  2. Step 2: Convert to fraction form
    224.06/336.08 = 61.74/x
  3. Step 3: Cross multiply
    224.06x = 336.08 × 61.74
  4. Step 4: Simplify right side
    224.06x = 20,749.73
  5. Step 5: Solve for x
    x = 20,749.73/224.06
  6. Step 6: Final answer
    x = 92.61

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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.