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Finding the Fourth Proportional to 73,906.30, 110,859.45 and 51,744.70

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Solution

The fourth proportional to 73,906.30, 110,859.45 and 51,744.70 is: 77,617.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,906.30 : 110,859.45 = 51,744.70 : x
  2. Step 2: Convert to fraction form
    73,906.30/110,859.45 = 51,744.70/x
  3. Step 3: Cross multiply
    73,906.30x = 110,859.45 × 51,744.70
  4. Step 4: Simplify right side
    73,906.30x = 5,736,388,982.42
  5. Step 5: Solve for x
    x = 5,736,388,982.42/73,906.30
  6. Step 6: Final answer
    x = 77,617.05

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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.