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Finding the Fourth Proportional to 100,039.25, 150,101.00 and 43,850.36

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Solution

The fourth proportional to 100,039.25, 150,101.00 and 43,850.36 is: 65,794.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,039.25 : 150,101.00 = 43,850.36 : x
  2. Step 2: Convert to fraction form
    100,039.25/150,101.00 = 43,850.36/x
  3. Step 3: Cross multiply
    100,039.25x = 150,101.00 × 43,850.36
  4. Step 4: Simplify right side
    100,039.25x = 6,581,983,206.80
  5. Step 5: Solve for x
    x = 6,581,983,206.80/100,039.25
  6. Step 6: Final answer
    x = 65,794.01

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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.