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Finding the Fourth Proportional to 222,788.78, 334,179.52 and 54,309.59

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Solution

The fourth proportional to 222,788.78, 334,179.52 and 54,309.59 is: 81,463.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,788.78 : 334,179.52 = 54,309.59 : x
  2. Step 2: Convert to fraction form
    222,788.78/334,179.52 = 54,309.59/x
  3. Step 3: Cross multiply
    222,788.78x = 334,179.52 × 54,309.59
  4. Step 4: Simplify right side
    222,788.78x = 18,149,152,469.59
  5. Step 5: Solve for x
    x = 18,149,152,469.59/222,788.78
  6. Step 6: Final answer
    x = 81,463.49

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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.