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Finding the Fourth Proportional to 73,039.14, 100,794 and 39,505.14

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Solution

The fourth proportional to 73,039.14, 100,794 and 39,505.14 is: 54,517.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,039.14 : 100,794 = 39,505.14 : x
  2. Step 2: Convert to fraction form
    73,039.14/100,794 = 39,505.14/x
  3. Step 3: Cross multiply
    73,039.14x = 100,794 × 39,505.14
  4. Step 4: Simplify right side
    73,039.14x = 3,981,881,081.16
  5. Step 5: Solve for x
    x = 3,981,881,081.16/73,039.14
  6. Step 6: Final answer
    x = 54,517.09

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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.