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Finding the Fourth Proportional to 275,832.33, 413,747.89 and 73,428.49

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Solution

The fourth proportional to 275,832.33, 413,747.89 and 73,428.49 is: 110,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,832.33 : 413,747.89 = 73,428.49 : x
  2. Step 2: Convert to fraction form
    275,832.33/413,747.89 = 73,428.49/x
  3. Step 3: Cross multiply
    275,832.33x = 413,747.89 × 73,428.49
  4. Step 4: Simplify right side
    275,832.33x = 30,380,881,585.45
  5. Step 5: Solve for x
    x = 30,380,881,585.45/275,832.33
  6. Step 6: Final answer
    x = 110,142.57

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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.