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Finding the Fourth Proportional to 78,848.91, 108,813.56 and 43,042.23

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Solution

The fourth proportional to 78,848.91, 108,813.56 and 43,042.23 is: 59,399.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,848.91 : 108,813.56 = 43,042.23 : x
  2. Step 2: Convert to fraction form
    78,848.91/108,813.56 = 43,042.23/x
  3. Step 3: Cross multiply
    78,848.91x = 108,813.56 × 43,042.23
  4. Step 4: Simplify right side
    78,848.91x = 4,683,578,061.43
  5. Step 5: Solve for x
    x = 4,683,578,061.43/78,848.91
  6. Step 6: Final answer
    x = 59,399.40

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