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Finding the Fourth Proportional to 224.04, 335.94 and 143.46

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Solution

The fourth proportional to 224.04, 335.94 and 143.46 is: 215.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.04 : 335.94 = 143.46 : x
  2. Step 2: Convert to fraction form
    224.04/335.94 = 143.46/x
  3. Step 3: Cross multiply
    224.04x = 335.94 × 143.46
  4. Step 4: Simplify right side
    224.04x = 48,193.95
  5. Step 5: Solve for x
    x = 48,193.95/224.04
  6. Step 6: Final answer
    x = 215.11

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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.