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Finding the Fourth Proportional to 79,757.43, 119,772.63 and 53,273.63

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Solution

The fourth proportional to 79,757.43, 119,772.63 and 53,273.63 is: 80,001.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,757.43 : 119,772.63 = 53,273.63 : x
  2. Step 2: Convert to fraction form
    79,757.43/119,772.63 = 53,273.63/x
  3. Step 3: Cross multiply
    79,757.43x = 119,772.63 × 53,273.63
  4. Step 4: Simplify right side
    79,757.43x = 6,380,722,175.88
  5. Step 5: Solve for x
    x = 6,380,722,175.88/79,757.43
  6. Step 6: Final answer
    x = 80,001.60

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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.