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Finding the Fourth Proportional to 78,869.59, 108,842.30 and 43,061.88

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Solution

The fourth proportional to 78,869.59, 108,842.30 and 43,061.88 is: 59,426.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,869.59 : 108,842.30 = 43,061.88 : x
  2. Step 2: Convert to fraction form
    78,869.59/108,842.30 = 43,061.88/x
  3. Step 3: Cross multiply
    78,869.59x = 108,842.30 × 43,061.88
  4. Step 4: Simplify right side
    78,869.59x = 4,686,954,061.52
  5. Step 5: Solve for x
    x = 4,686,954,061.52/78,869.59
  6. Step 6: Final answer
    x = 59,426.63

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