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Finding the Fourth Proportional to 54,856.32, 82,286.64 and 15,416.88

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Solution

The fourth proportional to 54,856.32, 82,286.64 and 15,416.88 is: 23,125.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,856.32 : 82,286.64 = 15,416.88 : x
  2. Step 2: Convert to fraction form
    54,856.32/82,286.64 = 15,416.88/x
  3. Step 3: Cross multiply
    54,856.32x = 82,286.64 × 15,416.88
  4. Step 4: Simplify right side
    54,856.32x = 1,268,603,254.48
  5. Step 5: Solve for x
    x = 1,268,603,254.48/54,856.32
  6. Step 6: Final answer
    x = 23,125.93

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