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Finding the Fourth Proportional to 67,939.75, 101,798.64 and 41,293.89

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Solution

The fourth proportional to 67,939.75, 101,798.64 and 41,293.89 is: 61,873.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,939.75 : 101,798.64 = 41,293.89 : x
  2. Step 2: Convert to fraction form
    67,939.75/101,798.64 = 41,293.89/x
  3. Step 3: Cross multiply
    67,939.75x = 101,798.64 × 41,293.89
  4. Step 4: Simplify right side
    67,939.75x = 4,203,661,842.31
  5. Step 5: Solve for x
    x = 4,203,661,842.31/67,939.75
  6. Step 6: Final answer
    x = 61,873.38

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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.