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Finding the Fourth Proportional to 222,558.45, 333,838.09 and 54,078.92

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Solution

The fourth proportional to 222,558.45, 333,838.09 and 54,078.92 is: 81,118.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,558.45 : 333,838.09 = 54,078.92 : x
  2. Step 2: Convert to fraction form
    222,558.45/333,838.09 = 54,078.92/x
  3. Step 3: Cross multiply
    222,558.45x = 333,838.09 × 54,078.92
  4. Step 4: Simplify right side
    222,558.45x = 18,053,601,557.68
  5. Step 5: Solve for x
    x = 18,053,601,557.68/222,558.45
  6. Step 6: Final answer
    x = 81,118.47

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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.