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Finding the Fourth Proportional to 111,906.46, 167,864.30 and 33,020.70

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Solution

The fourth proportional to 111,906.46, 167,864.30 and 33,020.70 is: 49,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,906.46 : 167,864.30 = 33,020.70 : x
  2. Step 2: Convert to fraction form
    111,906.46/167,864.30 = 33,020.70/x
  3. Step 3: Cross multiply
    111,906.46x = 167,864.30 × 33,020.70
  4. Step 4: Simplify right side
    111,906.46x = 5,542,996,020.24
  5. Step 5: Solve for x
    x = 5,542,996,020.24/111,906.46
  6. Step 6: Final answer
    x = 49,532.40

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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.