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Finding the Fourth Proportional to 78,937.71, 118,404.86 and 25,629.59

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Solution

The fourth proportional to 78,937.71, 118,404.86 and 25,629.59 is: 38,443.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,937.71 : 118,404.86 = 25,629.59 : x
  2. Step 2: Convert to fraction form
    78,937.71/118,404.86 = 25,629.59/x
  3. Step 3: Cross multiply
    78,937.71x = 118,404.86 × 25,629.59
  4. Step 4: Simplify right side
    78,937.71x = 3,034,667,295.64
  5. Step 5: Solve for x
    x = 3,034,667,295.64/78,937.71
  6. Step 6: Final answer
    x = 38,443.82

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