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Finding the Fourth Proportional to 150,751.65, 225,833.48 and 83,990.73

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Solution

The fourth proportional to 150,751.65, 225,833.48 and 83,990.73 is: 125,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,751.65 : 225,833.48 = 83,990.73 : x
  2. Step 2: Convert to fraction form
    150,751.65/225,833.48 = 83,990.73/x
  3. Step 3: Cross multiply
    150,751.65x = 225,833.48 × 83,990.73
  4. Step 4: Simplify right side
    150,751.65x = 18,967,918,843.64
  5. Step 5: Solve for x
    x = 18,967,918,843.64/150,751.65
  6. Step 6: Final answer
    x = 125,822.30

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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.