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Finding the Fourth Proportional to 248,604.75, 372,907.17 and 82,392.75

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Solution

The fourth proportional to 248,604.75, 372,907.17 and 82,392.75 is: 123,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,604.75 : 372,907.17 = 82,392.75 : x
  2. Step 2: Convert to fraction form
    248,604.75/372,907.17 = 82,392.75/x
  3. Step 3: Cross multiply
    248,604.75x = 372,907.17 × 82,392.75
  4. Step 4: Simplify right side
    248,604.75x = 30,724,847,231.02
  5. Step 5: Solve for x
    x = 30,724,847,231.02/248,604.75
  6. Step 6: Final answer
    x = 123,589.14

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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.