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Finding the Fourth Proportional to 73,828.80, 101,893.48 and 41,991.55

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Solution

The fourth proportional to 73,828.80, 101,893.48 and 41,991.55 is: 57,953.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,828.80 : 101,893.48 = 41,991.55 : x
  2. Step 2: Convert to fraction form
    73,828.80/101,893.48 = 41,991.55/x
  3. Step 3: Cross multiply
    73,828.80x = 101,893.48 × 41,991.55
  4. Step 4: Simplify right side
    73,828.80x = 4,278,665,160.09
  5. Step 5: Solve for x
    x = 4,278,665,160.09/73,828.80
  6. Step 6: Final answer
    x = 57,953.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.