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Finding the Fourth Proportional to 86,887.76, 119,905.08 and 47,143.76

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Solution

The fourth proportional to 86,887.76, 119,905.08 and 47,143.76 is: 65,058.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,887.76 : 119,905.08 = 47,143.76 : x
  2. Step 2: Convert to fraction form
    86,887.76/119,905.08 = 47,143.76/x
  3. Step 3: Cross multiply
    86,887.76x = 119,905.08 × 47,143.76
  4. Step 4: Simplify right side
    86,887.76x = 5,652,776,314.30
  5. Step 5: Solve for x
    x = 5,652,776,314.30/86,887.76
  6. Step 6: Final answer
    x = 65,058.37

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