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Finding the Fourth Proportional to 224.06, 335.66 and 146.79

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Solution

The fourth proportional to 224.06, 335.66 and 146.79 is: 219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.06 : 335.66 = 146.79 : x
  2. Step 2: Convert to fraction form
    224.06/335.66 = 146.79/x
  3. Step 3: Cross multiply
    224.06x = 335.66 × 146.79
  4. Step 4: Simplify right side
    224.06x = 49,271.25
  5. Step 5: Solve for x
    x = 49,271.25/224.06
  6. Step 6: Final answer
    x = 219.90

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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.