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Finding the Fourth Proportional to 78,955.08, 108,958.41 and 43,145.70

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Solution

The fourth proportional to 78,955.08, 108,958.41 and 43,145.70 is: 59,541.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,955.08 : 108,958.41 = 43,145.70 : x
  2. Step 2: Convert to fraction form
    78,955.08/108,958.41 = 43,145.70/x
  3. Step 3: Cross multiply
    78,955.08x = 108,958.41 × 43,145.70
  4. Step 4: Simplify right side
    78,955.08x = 4,701,086,870.34
  5. Step 5: Solve for x
    x = 4,701,086,870.34/78,955.08
  6. Step 6: Final answer
    x = 59,541.28

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