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Finding the Fourth Proportional to 67,247.44, 100,854.96 and 29,786.80

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Solution

The fourth proportional to 67,247.44, 100,854.96 and 29,786.80 is: 44,673.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.44 : 100,854.96 = 29,786.80 : x
  2. Step 2: Convert to fraction form
    67,247.44/100,854.96 = 29,786.80/x
  3. Step 3: Cross multiply
    67,247.44x = 100,854.96 × 29,786.80
  4. Step 4: Simplify right side
    67,247.44x = 3,004,146,522.53
  5. Step 5: Solve for x
    x = 3,004,146,522.53/67,247.44
  6. Step 6: Final answer
    x = 44,673.02

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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.