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Finding the Fourth Proportional to 222,520.69, 333,777.39 and 54,042.40

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Solution

The fourth proportional to 222,520.69, 333,777.39 and 54,042.40 is: 81,062.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,520.69 : 333,777.39 = 54,042.40 : x
  2. Step 2: Convert to fraction form
    222,520.69/333,777.39 = 54,042.40/x
  3. Step 3: Cross multiply
    222,520.69x = 333,777.39 × 54,042.40
  4. Step 4: Simplify right side
    222,520.69x = 18,038,131,221.34
  5. Step 5: Solve for x
    x = 18,038,131,221.34/222,520.69
  6. Step 6: Final answer
    x = 81,062.71

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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.