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Finding the Fourth Proportional to 78,873.42, 108,849.75 and 43,066.76

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Solution

The fourth proportional to 78,873.42, 108,849.75 and 43,066.76 is: 59,434.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,873.42 : 108,849.75 = 43,066.76 : x
  2. Step 2: Convert to fraction form
    78,873.42/108,849.75 = 43,066.76/x
  3. Step 3: Cross multiply
    78,873.42x = 108,849.75 × 43,066.76
  4. Step 4: Simplify right side
    78,873.42x = 4,687,806,059.31
  5. Step 5: Solve for x
    x = 4,687,806,059.31/78,873.42
  6. Step 6: Final answer
    x = 59,434.55

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