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Finding the Fourth Proportional to 67,229.84, 100,837.74 and 29,790.56

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Solution

The fourth proportional to 67,229.84, 100,837.74 and 29,790.56 is: 44,682.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,229.84 : 100,837.74 = 29,790.56 : x
  2. Step 2: Convert to fraction form
    67,229.84/100,837.74 = 29,790.56/x
  3. Step 3: Cross multiply
    67,229.84x = 100,837.74 × 29,790.56
  4. Step 4: Simplify right side
    67,229.84x = 3,004,012,743.73
  5. Step 5: Solve for x
    x = 3,004,012,743.73/67,229.84
  6. Step 6: Final answer
    x = 44,682.73

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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.