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Finding the Fourth Proportional to 73,694.43, 101,669.45 and 45,350.91

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Solution

The fourth proportional to 73,694.43, 101,669.45 and 45,350.91 is: 62,566.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,694.43 : 101,669.45 = 45,350.91 : x
  2. Step 2: Convert to fraction form
    73,694.43/101,669.45 = 45,350.91/x
  3. Step 3: Cross multiply
    73,694.43x = 101,669.45 × 45,350.91
  4. Step 4: Simplify right side
    73,694.43x = 4,610,801,849.94
  5. Step 5: Solve for x
    x = 4,610,801,849.94/73,694.43
  6. Step 6: Final answer
    x = 62,566.49

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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.