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Finding the Fourth Proportional to 79,249.74, 118,892.83 and 25,943.43

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Solution

The fourth proportional to 79,249.74, 118,892.83 and 25,943.43 is: 38,921.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,249.74 : 118,892.83 = 25,943.43 : x
  2. Step 2: Convert to fraction form
    79,249.74/118,892.83 = 25,943.43/x
  3. Step 3: Cross multiply
    79,249.74x = 118,892.83 × 25,943.43
  4. Step 4: Simplify right side
    79,249.74x = 3,084,488,288.35
  5. Step 5: Solve for x
    x = 3,084,488,288.35/79,249.74
  6. Step 6: Final answer
    x = 38,921.12

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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.