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Finding the Fourth Proportional to 100,487.52, 150,625.44 and 33,864.48

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Solution

The fourth proportional to 100,487.52, 150,625.44 and 33,864.48 is: 50,761.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,487.52 : 150,625.44 = 33,864.48 : x
  2. Step 2: Convert to fraction form
    100,487.52/150,625.44 = 33,864.48/x
  3. Step 3: Cross multiply
    100,487.52x = 150,625.44 × 33,864.48
  4. Step 4: Simplify right side
    100,487.52x = 5,100,852,200.37
  5. Step 5: Solve for x
    x = 5,100,852,200.37/100,487.52
  6. Step 6: Final answer
    x = 50,761.05

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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.