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Finding the Fourth Proportional to 75,665.62, 104,414.46 and 41,667.46

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Solution

The fourth proportional to 75,665.62, 104,414.46 and 41,667.46 is: 57,498.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.62 : 104,414.46 = 41,667.46 : x
  2. Step 2: Convert to fraction form
    75,665.62/104,414.46 = 41,667.46/x
  3. Step 3: Cross multiply
    75,665.62x = 104,414.46 × 41,667.46
  4. Step 4: Simplify right side
    75,665.62x = 4,350,685,335.47
  5. Step 5: Solve for x
    x = 4,350,685,335.47/75,665.62
  6. Step 6: Final answer
    x = 57,498.84

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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.