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Finding the Fourth Proportional to 71,791.77, 107,704.77 and 36,165.54

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Solution

The fourth proportional to 71,791.77, 107,704.77 and 36,165.54 is: 54,256.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,791.77 : 107,704.77 = 36,165.54 : x
  2. Step 2: Convert to fraction form
    71,791.77/107,704.77 = 36,165.54/x
  3. Step 3: Cross multiply
    71,791.77x = 107,704.77 × 36,165.54
  4. Step 4: Simplify right side
    71,791.77x = 3,895,201,167.63
  5. Step 5: Solve for x
    x = 3,895,201,167.63/71,791.77
  6. Step 6: Final answer
    x = 54,256.93

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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.