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Finding the Fourth Proportional to 67,898.03, 101,845.48 and 39,995.09

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Solution

The fourth proportional to 67,898.03, 101,845.48 and 39,995.09 is: 59,991.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,898.03 : 101,845.48 = 39,995.09 : x
  2. Step 2: Convert to fraction form
    67,898.03/101,845.48 = 39,995.09/x
  3. Step 3: Cross multiply
    67,898.03x = 101,845.48 × 39,995.09
  4. Step 4: Simplify right side
    67,898.03x = 4,073,319,138.69
  5. Step 5: Solve for x
    x = 4,073,319,138.69/67,898.03
  6. Step 6: Final answer
    x = 59,991.71

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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.