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Finding the Fourth Proportional to 48,956.63, 67,581.50 and 31,079.12

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Solution

The fourth proportional to 48,956.63, 67,581.50 and 31,079.12 is: 42,902.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,956.63 : 67,581.50 = 31,079.12 : x
  2. Step 2: Convert to fraction form
    48,956.63/67,581.50 = 31,079.12/x
  3. Step 3: Cross multiply
    48,956.63x = 67,581.50 × 31,079.12
  4. Step 4: Simplify right side
    48,956.63x = 2,100,373,054.98
  5. Step 5: Solve for x
    x = 2,100,373,054.98/48,956.63
  6. Step 6: Final answer
    x = 42,902.73

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