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Finding the Fourth Proportional to 73,694.78, 101,669.92 and 45,351.26

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Solution

The fourth proportional to 73,694.78, 101,669.92 and 45,351.26 is: 62,566.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,694.78 : 101,669.92 = 45,351.26 : x
  2. Step 2: Convert to fraction form
    73,694.78/101,669.92 = 45,351.26/x
  3. Step 3: Cross multiply
    73,694.78x = 101,669.92 × 45,351.26
  4. Step 4: Simplify right side
    73,694.78x = 4,610,858,467.75
  5. Step 5: Solve for x
    x = 4,610,858,467.75/73,694.78
  6. Step 6: Final answer
    x = 62,566.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.