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Finding the Fourth Proportional to 73,694.47, 101,685.70 and 41,424.62

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Solution

The fourth proportional to 73,694.47, 101,685.70 and 41,424.62 is: 57,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,694.47 : 101,685.70 = 41,424.62 : x
  2. Step 2: Convert to fraction form
    73,694.47/101,685.70 = 41,424.62/x
  3. Step 3: Cross multiply
    73,694.47x = 101,685.70 × 41,424.62
  4. Step 4: Simplify right side
    73,694.47x = 4,212,290,792.27
  5. Step 5: Solve for x
    x = 4,212,290,792.27/73,694.47
  6. Step 6: Final answer
    x = 57,158.85

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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.