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Finding the Fourth Proportional to 150,754.05, 225,864.99 and 91,469.34

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Solution

The fourth proportional to 150,754.05, 225,864.99 and 91,469.34 is: 137,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,754.05 : 225,864.99 = 91,469.34 : x
  2. Step 2: Convert to fraction form
    150,754.05/225,864.99 = 91,469.34/x
  3. Step 3: Cross multiply
    150,754.05x = 225,864.99 × 91,469.34
  4. Step 4: Simplify right side
    150,754.05x = 20,659,721,564.41
  5. Step 5: Solve for x
    x = 20,659,721,564.41/150,754.05
  6. Step 6: Final answer
    x = 137,042.56

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1.5x scale

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.