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Finding the Fourth Proportional to 224.02, 336.10 and 108.50

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Solution

The fourth proportional to 224.02, 336.10 and 108.50 is: 162.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.02 : 336.10 = 108.50 : x
  2. Step 2: Convert to fraction form
    224.02/336.10 = 108.50/x
  3. Step 3: Cross multiply
    224.02x = 336.10 × 108.50
  4. Step 4: Simplify right side
    224.02x = 36,466.85
  5. Step 5: Solve for x
    x = 36,466.85/224.02
  6. Step 6: Final answer
    x = 162.78

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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.