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Finding the Fourth Proportional to 81,797.55, 112,881.78 and 45,985.56

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Solution

The fourth proportional to 81,797.55, 112,881.78 and 45,985.56 is: 63,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,797.55 : 112,881.78 = 45,985.56 : x
  2. Step 2: Convert to fraction form
    81,797.55/112,881.78 = 45,985.56/x
  3. Step 3: Cross multiply
    81,797.55x = 112,881.78 × 45,985.56
  4. Step 4: Simplify right side
    81,797.55x = 5,190,931,867.10
  5. Step 5: Solve for x
    x = 5,190,931,867.10/81,797.55
  6. Step 6: Final answer
    x = 63,460.73

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