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Finding the Fourth Proportional to 69,423.66, 95,794.37 and 39,208.43

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Solution

The fourth proportional to 69,423.66, 95,794.37 and 39,208.43 is: 54,101.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,423.66 : 95,794.37 = 39,208.43 : x
  2. Step 2: Convert to fraction form
    69,423.66/95,794.37 = 39,208.43/x
  3. Step 3: Cross multiply
    69,423.66x = 95,794.37 × 39,208.43
  4. Step 4: Simplify right side
    69,423.66x = 3,755,946,850.54
  5. Step 5: Solve for x
    x = 3,755,946,850.54/69,423.66
  6. Step 6: Final answer
    x = 54,101.83

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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.