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Finding the Fourth Proportional to 91,966.59, 126,917.24 and 51,681.15

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Solution

The fourth proportional to 91,966.59, 126,917.24 and 51,681.15 is: 71,321.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,966.59 : 126,917.24 = 51,681.15 : x
  2. Step 2: Convert to fraction form
    91,966.59/126,917.24 = 51,681.15/x
  3. Step 3: Cross multiply
    91,966.59x = 126,917.24 × 51,681.15
  4. Step 4: Simplify right side
    91,966.59x = 6,559,228,659.62
  5. Step 5: Solve for x
    x = 6,559,228,659.62/91,966.59
  6. Step 6: Final answer
    x = 71,321.86

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