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Finding the Fourth Proportional to 89,080.64, 122,931.28 and 48,796.92

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Solution

The fourth proportional to 89,080.64, 122,931.28 and 48,796.92 is: 67,339.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,080.64 : 122,931.28 = 48,796.92 : x
  2. Step 2: Convert to fraction form
    89,080.64/122,931.28 = 48,796.92/x
  3. Step 3: Cross multiply
    89,080.64x = 122,931.28 × 48,796.92
  4. Step 4: Simplify right side
    89,080.64x = 5,998,667,835.66
  5. Step 5: Solve for x
    x = 5,998,667,835.66/89,080.64
  6. Step 6: Final answer
    x = 67,339.75

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