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Finding the Fourth Proportional to 251,668.46, 347,317.42 and 144,245.43

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Solution

The fourth proportional to 251,668.46, 347,317.42 and 144,245.43 is: 199,067.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,668.46 : 347,317.42 = 144,245.43 : x
  2. Step 2: Convert to fraction form
    251,668.46/347,317.42 = 144,245.43/x
  3. Step 3: Cross multiply
    251,668.46x = 347,317.42 × 144,245.43
  4. Step 4: Simplify right side
    251,668.46x = 50,098,950,594.39
  5. Step 5: Solve for x
    x = 50,098,950,594.39/251,668.46
  6. Step 6: Final answer
    x = 199,067.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.