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Finding the Fourth Proportional to 78,825.56, 108,778.68 and 43,014.78

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Solution

The fourth proportional to 78,825.56, 108,778.68 and 43,014.78 is: 59,360.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,825.56 : 108,778.68 = 43,014.78 : x
  2. Step 2: Convert to fraction form
    78,825.56/108,778.68 = 43,014.78/x
  3. Step 3: Cross multiply
    78,825.56x = 108,778.68 × 43,014.78
  4. Step 4: Simplify right side
    78,825.56x = 4,679,090,988.89
  5. Step 5: Solve for x
    x = 4,679,090,988.89/78,825.56
  6. Step 6: Final answer
    x = 59,360.08

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