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Finding the Fourth Proportional to 150,519.25, 225,794 and 39,711.25

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Solution

The fourth proportional to 150,519.25, 225,794 and 39,711.25 is: 59,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,519.25 : 225,794 = 39,711.25 : x
  2. Step 2: Convert to fraction form
    150,519.25/225,794 = 39,711.25/x
  3. Step 3: Cross multiply
    150,519.25x = 225,794 × 39,711.25
  4. Step 4: Simplify right side
    150,519.25x = 8,966,561,982.50
  5. Step 5: Solve for x
    x = 8,966,561,982.50/150,519.25
  6. Step 6: Final answer
    x = 59,570.87

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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.