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Finding the Fourth Proportional to 226,722.78, 340,029.43 and 66,755.23

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Solution

The fourth proportional to 226,722.78, 340,029.43 and 66,755.23 is: 100,116.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,722.78 : 340,029.43 = 66,755.23 : x
  2. Step 2: Convert to fraction form
    226,722.78/340,029.43 = 66,755.23/x
  3. Step 3: Cross multiply
    226,722.78x = 340,029.43 × 66,755.23
  4. Step 4: Simplify right side
    226,722.78x = 22,698,741,789.46
  5. Step 5: Solve for x
    x = 22,698,741,789.46/226,722.78
  6. Step 6: Final answer
    x = 100,116.72

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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.