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Finding the Fourth Proportional to 222,664.92, 333,998.05 and 54,185.27

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Solution

The fourth proportional to 222,664.92, 333,998.05 and 54,185.27 is: 81,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,664.92 : 333,998.05 = 54,185.27 : x
  2. Step 2: Convert to fraction form
    222,664.92/333,998.05 = 54,185.27/x
  3. Step 3: Cross multiply
    222,664.92x = 333,998.05 × 54,185.27
  4. Step 4: Simplify right side
    222,664.92x = 18,097,774,383.26
  5. Step 5: Solve for x
    x = 18,097,774,383.26/222,664.92
  6. Step 6: Final answer
    x = 81,278.07

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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.