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Finding the Fourth Proportional to 118,548.10, 163,655.86 and 91,629.78

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Solution

The fourth proportional to 118,548.10, 163,655.86 and 91,629.78 is: 126,495.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,548.10 : 163,655.86 = 91,629.78 : x
  2. Step 2: Convert to fraction form
    118,548.10/163,655.86 = 91,629.78/x
  3. Step 3: Cross multiply
    118,548.10x = 163,655.86 × 91,629.78
  4. Step 4: Simplify right side
    118,548.10x = 14,995,750,447.51
  5. Step 5: Solve for x
    x = 14,995,750,447.51/118,548.10
  6. Step 6: Final answer
    x = 126,495.07

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