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Finding the Fourth Proportional to 248,601.75, 372,902.63 and 82,389.75

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Solution

The fourth proportional to 248,601.75, 372,902.63 and 82,389.75 is: 123,584.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,601.75 : 372,902.63 = 82,389.75 : x
  2. Step 2: Convert to fraction form
    248,601.75/372,902.63 = 82,389.75/x
  3. Step 3: Cross multiply
    248,601.75x = 372,902.63 × 82,389.75
  4. Step 4: Simplify right side
    248,601.75x = 30,723,354,048.09
  5. Step 5: Solve for x
    x = 30,723,354,048.09/248,601.75
  6. Step 6: Final answer
    x = 123,584.63

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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.