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Finding the Fourth Proportional to 79,659.53, 109,917.28 and 45,661.76

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Solution

The fourth proportional to 79,659.53, 109,917.28 and 45,661.76 is: 63,005.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,659.53 : 109,917.28 = 45,661.76 : x
  2. Step 2: Convert to fraction form
    79,659.53/109,917.28 = 45,661.76/x
  3. Step 3: Cross multiply
    79,659.53x = 109,917.28 × 45,661.76
  4. Step 4: Simplify right side
    79,659.53x = 5,019,015,795.47
  5. Step 5: Solve for x
    x = 5,019,015,795.47/79,659.53
  6. Step 6: Final answer
    x = 63,005.85

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