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Finding the Fourth Proportional to 150,699.74, 225,911.37 and 67,548.38

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Solution

The fourth proportional to 150,699.74, 225,911.37 and 67,548.38 is: 101,260.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,699.74 : 225,911.37 = 67,548.38 : x
  2. Step 2: Convert to fraction form
    150,699.74/225,911.37 = 67,548.38/x
  3. Step 3: Cross multiply
    150,699.74x = 225,911.37 × 67,548.38
  4. Step 4: Simplify right side
    150,699.74x = 15,259,947,067.08
  5. Step 5: Solve for x
    x = 15,259,947,067.08/150,699.74
  6. Step 6: Final answer
    x = 101,260.61

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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.