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Finding the Fourth Proportional to 150,891.79, 227,240.40 and 137,439.92

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Solution

The fourth proportional to 150,891.79, 227,240.40 and 137,439.92 is: 206,982.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,891.79 : 227,240.40 = 137,439.92 : x
  2. Step 2: Convert to fraction form
    150,891.79/227,240.40 = 137,439.92/x
  3. Step 3: Cross multiply
    150,891.79x = 227,240.40 × 137,439.92
  4. Step 4: Simplify right side
    150,891.79x = 31,231,902,396.77
  5. Step 5: Solve for x
    x = 31,231,902,396.77/150,891.79
  6. Step 6: Final answer
    x = 206,982.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.