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Finding the Fourth Proportional to 133,843.88, 200,793.51 and 45,104.31

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Solution

The fourth proportional to 133,843.88, 200,793.51 and 45,104.31 is: 67,665.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,843.88 : 200,793.51 = 45,104.31 : x
  2. Step 2: Convert to fraction form
    133,843.88/200,793.51 = 45,104.31/x
  3. Step 3: Cross multiply
    133,843.88x = 200,793.51 × 45,104.31
  4. Step 4: Simplify right side
    133,843.88x = 9,056,652,721.03
  5. Step 5: Solve for x
    x = 9,056,652,721.03/133,843.88
  6. Step 6: Final answer
    x = 67,665.80

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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.