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Finding the Fourth Proportional to 86,877.50, 119,890.14 and 49,151.75

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Solution

The fourth proportional to 86,877.50, 119,890.14 and 49,151.75 is: 67,828.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,877.50 : 119,890.14 = 49,151.75 : x
  2. Step 2: Convert to fraction form
    86,877.50/119,890.14 = 49,151.75/x
  3. Step 3: Cross multiply
    86,877.50x = 119,890.14 × 49,151.75
  4. Step 4: Simplify right side
    86,877.50x = 5,892,810,188.75
  5. Step 5: Solve for x
    x = 5,892,810,188.75/86,877.50
  6. Step 6: Final answer
    x = 67,828.96

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