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Finding the Fourth Proportional to 71,359.62, 107,203.41 and 50,348.04

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Solution

The fourth proportional to 71,359.62, 107,203.41 and 50,348.04 is: 75,637.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.62 : 107,203.41 = 50,348.04 : x
  2. Step 2: Convert to fraction form
    71,359.62/107,203.41 = 50,348.04/x
  3. Step 3: Cross multiply
    71,359.62x = 107,203.41 × 50,348.04
  4. Step 4: Simplify right side
    71,359.62x = 5,397,481,574.82
  5. Step 5: Solve for x
    x = 5,397,481,574.82/71,359.62
  6. Step 6: Final answer
    x = 75,637.76

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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.