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Finding the Fourth Proportional to 226,867.44, 340,221.84 and 66,900.90

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Solution

The fourth proportional to 226,867.44, 340,221.84 and 66,900.90 is: 100,327.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,867.44 : 340,221.84 = 66,900.90 : x
  2. Step 2: Convert to fraction form
    226,867.44/340,221.84 = 66,900.90/x
  3. Step 3: Cross multiply
    226,867.44x = 340,221.84 × 66,900.90
  4. Step 4: Simplify right side
    226,867.44x = 22,761,147,295.66
  5. Step 5: Solve for x
    x = 22,761,147,295.66/226,867.44
  6. Step 6: Final answer
    x = 100,327.96

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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.