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Finding the Fourth Proportional to 67,367.10, 100,919.39 and 41,006.46

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Solution

The fourth proportional to 67,367.10, 100,919.39 and 41,006.46 is: 61,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,367.10 : 100,919.39 = 41,006.46 : x
  2. Step 2: Convert to fraction form
    67,367.10/100,919.39 = 41,006.46/x
  3. Step 3: Cross multiply
    67,367.10x = 100,919.39 × 41,006.46
  4. Step 4: Simplify right side
    67,367.10x = 4,138,346,724.23
  5. Step 5: Solve for x
    x = 4,138,346,724.23/67,367.10
  6. Step 6: Final answer
    x = 61,429.79

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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.