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Finding the Fourth Proportional to 226,883.85, 340,246.41 and 66,917.25

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Solution

The fourth proportional to 226,883.85, 340,246.41 and 66,917.25 is: 100,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,883.85 : 340,246.41 = 66,917.25 : x
  2. Step 2: Convert to fraction form
    226,883.85/340,246.41 = 66,917.25/x
  3. Step 3: Cross multiply
    226,883.85x = 340,246.41 × 66,917.25
  4. Step 4: Simplify right side
    226,883.85x = 22,768,354,079.57
  5. Step 5: Solve for x
    x = 22,768,354,079.57/226,883.85
  6. Step 6: Final answer
    x = 100,352.47

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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.