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Finding the Fourth Proportional to 100,042.26, 150,105.51 and 43,853.37

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Solution

The fourth proportional to 100,042.26, 150,105.51 and 43,853.37 is: 65,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,042.26 : 150,105.51 = 43,853.37 : x
  2. Step 2: Convert to fraction form
    100,042.26/150,105.51 = 43,853.37/x
  3. Step 3: Cross multiply
    100,042.26x = 150,105.51 × 43,853.37
  4. Step 4: Simplify right side
    100,042.26x = 6,582,632,469.07
  5. Step 5: Solve for x
    x = 6,582,632,469.07/100,042.26
  6. Step 6: Final answer
    x = 65,798.52

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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.