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Finding the Fourth Proportional to 73,949.87, 102,100.08 and 43,744.89

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Solution

The fourth proportional to 73,949.87, 102,100.08 and 43,744.89 is: 60,397.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,949.87 : 102,100.08 = 43,744.89 : x
  2. Step 2: Convert to fraction form
    73,949.87/102,100.08 = 43,744.89/x
  3. Step 3: Cross multiply
    73,949.87x = 102,100.08 × 43,744.89
  4. Step 4: Simplify right side
    73,949.87x = 4,466,356,768.59
  5. Step 5: Solve for x
    x = 4,466,356,768.59/73,949.87
  6. Step 6: Final answer
    x = 60,397.09

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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.