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Finding the Fourth Proportional to 78,513.94, 117,820.14 and 41,103.96

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Solution

The fourth proportional to 78,513.94, 117,820.14 and 41,103.96 is: 61,681.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,513.94 : 117,820.14 = 41,103.96 : x
  2. Step 2: Convert to fraction form
    78,513.94/117,820.14 = 41,103.96/x
  3. Step 3: Cross multiply
    78,513.94x = 117,820.14 × 41,103.96
  4. Step 4: Simplify right side
    78,513.94x = 4,842,873,725.79
  5. Step 5: Solve for x
    x = 4,842,873,725.79/78,513.94
  6. Step 6: Final answer
    x = 61,681.70

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