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Finding the Fourth Proportional to 78,955.38, 118,451.66 and 25,647.19

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Solution

The fourth proportional to 78,955.38, 118,451.66 and 25,647.19 is: 38,476.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,955.38 : 118,451.66 = 25,647.19 : x
  2. Step 2: Convert to fraction form
    78,955.38/118,451.66 = 25,647.19/x
  3. Step 3: Cross multiply
    78,955.38x = 118,451.66 × 25,647.19
  4. Step 4: Simplify right side
    78,955.38x = 3,037,952,229.84
  5. Step 5: Solve for x
    x = 3,037,952,229.84/78,955.38
  6. Step 6: Final answer
    x = 38,476.82

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