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Finding the Fourth Proportional to 77,313.62, 115,956.73 and 35,183.90

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Solution

The fourth proportional to 77,313.62, 115,956.73 and 35,183.90 is: 52,769.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,313.62 : 115,956.73 = 35,183.90 : x
  2. Step 2: Convert to fraction form
    77,313.62/115,956.73 = 35,183.90/x
  3. Step 3: Cross multiply
    77,313.62x = 115,956.73 × 35,183.90
  4. Step 4: Simplify right side
    77,313.62x = 4,079,810,326.52
  5. Step 5: Solve for x
    x = 4,079,810,326.52/77,313.62
  6. Step 6: Final answer
    x = 52,769.62

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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.