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Finding the Fourth Proportional to 67,246.37, 100,840.37 and 22,861.20

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Solution

The fourth proportional to 67,246.37, 100,840.37 and 22,861.20 is: 34,281.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,246.37 : 100,840.37 = 22,861.20 : x
  2. Step 2: Convert to fraction form
    67,246.37/100,840.37 = 22,861.20/x
  3. Step 3: Cross multiply
    67,246.37x = 100,840.37 × 22,861.20
  4. Step 4: Simplify right side
    67,246.37x = 2,305,331,752.34
  5. Step 5: Solve for x
    x = 2,305,331,752.34/67,246.37
  6. Step 6: Final answer
    x = 34,281.88

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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.