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Finding the Fourth Proportional to 73,218.24, 109,827.36 and 17,813.76

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Solution

The fourth proportional to 73,218.24, 109,827.36 and 17,813.76 is: 26,720.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,218.24 : 109,827.36 = 17,813.76 : x
  2. Step 2: Convert to fraction form
    73,218.24/109,827.36 = 17,813.76/x
  3. Step 3: Cross multiply
    73,218.24x = 109,827.36 × 17,813.76
  4. Step 4: Simplify right side
    73,218.24x = 1,956,438,232.47
  5. Step 5: Solve for x
    x = 1,956,438,232.47/73,218.24
  6. Step 6: Final answer
    x = 26,720.64

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