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Finding the Fourth Proportional to 222,738.72, 307,375.68 and 125,941

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Solution

The fourth proportional to 222,738.72, 307,375.68 and 125,941 is: 173,796.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,738.72 : 307,375.68 = 125,941 : x
  2. Step 2: Convert to fraction form
    222,738.72/307,375.68 = 125,941/x
  3. Step 3: Cross multiply
    222,738.72x = 307,375.68 × 125,941
  4. Step 4: Simplify right side
    222,738.72x = 38,711,200,514.88
  5. Step 5: Solve for x
    x = 38,711,200,514.88/222,738.72
  6. Step 6: Final answer
    x = 173,796.46

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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.