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Finding the Fourth Proportional to 91,873.62, 126,693.45 and 86,877.54

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Solution

The fourth proportional to 91,873.62, 126,693.45 and 86,877.54 is: 119,803.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,873.62 : 126,693.45 = 86,877.54 : x
  2. Step 2: Convert to fraction form
    91,873.62/126,693.45 = 86,877.54/x
  3. Step 3: Cross multiply
    91,873.62x = 126,693.45 × 86,877.54
  4. Step 4: Simplify right side
    91,873.62x = 11,006,815,270.11
  5. Step 5: Solve for x
    x = 11,006,815,270.11/91,873.62
  6. Step 6: Final answer
    x = 119,803.87

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