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Finding the Fourth Proportional to 248,793.90, 373,190.85 and 82,581.90

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Solution

The fourth proportional to 248,793.90, 373,190.85 and 82,581.90 is: 123,872.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,793.90 : 373,190.85 = 82,581.90 : x
  2. Step 2: Convert to fraction form
    248,793.90/373,190.85 = 82,581.90/x
  3. Step 3: Cross multiply
    248,793.90x = 373,190.85 × 82,581.90
  4. Step 4: Simplify right side
    248,793.90x = 30,818,809,455.62
  5. Step 5: Solve for x
    x = 30,818,809,455.62/248,793.90
  6. Step 6: Final answer
    x = 123,872.85

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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.