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Finding the Fourth Proportional to 248,874.20, 373,311.30 and 82,662.20

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Solution

The fourth proportional to 248,874.20, 373,311.30 and 82,662.20 is: 123,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,874.20 : 373,311.30 = 82,662.20 : x
  2. Step 2: Convert to fraction form
    248,874.20/373,311.30 = 82,662.20/x
  3. Step 3: Cross multiply
    248,874.20x = 373,311.30 × 82,662.20
  4. Step 4: Simplify right side
    248,874.20x = 30,858,733,342.86
  5. Step 5: Solve for x
    x = 30,858,733,342.86/248,874.20
  6. Step 6: Final answer
    x = 123,993.30

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1.5x scale

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.