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Finding the Fourth Proportional to 133,786.26, 200,679.40 and 50,680.26

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Solution

The fourth proportional to 133,786.26, 200,679.40 and 50,680.26 is: 76,020.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,786.26 : 200,679.40 = 50,680.26 : x
  2. Step 2: Convert to fraction form
    133,786.26/200,679.40 = 50,680.26/x
  3. Step 3: Cross multiply
    133,786.26x = 200,679.40 × 50,680.26
  4. Step 4: Simplify right side
    133,786.26x = 10,170,484,168.64
  5. Step 5: Solve for x
    x = 10,170,484,168.64/133,786.26
  6. Step 6: Final answer
    x = 76,020.39

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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.