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Finding the Fourth Proportional to 224.22, 336.23 and 70.11

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Solution

The fourth proportional to 224.22, 336.23 and 70.11 is: 105.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.22 : 336.23 = 70.11 : x
  2. Step 2: Convert to fraction form
    224.22/336.23 = 70.11/x
  3. Step 3: Cross multiply
    224.22x = 336.23 × 70.11
  4. Step 4: Simplify right side
    224.22x = 23,572.73
  5. Step 5: Solve for x
    x = 23,572.73/224.22
  6. Step 6: Final answer
    x = 105.13

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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.