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Finding the Fourth Proportional to 75,793.88, 104,594.13 and 41,805.54

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Solution

The fourth proportional to 75,793.88, 104,594.13 and 41,805.54 is: 57,690.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,793.88 : 104,594.13 = 41,805.54 : x
  2. Step 2: Convert to fraction form
    75,793.88/104,594.13 = 41,805.54/x
  3. Step 3: Cross multiply
    75,793.88x = 104,594.13 × 41,805.54
  4. Step 4: Simplify right side
    75,793.88x = 4,372,614,085.48
  5. Step 5: Solve for x
    x = 4,372,614,085.48/75,793.88
  6. Step 6: Final answer
    x = 57,690.86

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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.