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Finding the Fourth Proportional to 215,898.40, 323,588.40 and 110,663.20

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Solution

The fourth proportional to 215,898.40, 323,588.40 and 110,663.20 is: 165,861.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,898.40 : 323,588.40 = 110,663.20 : x
  2. Step 2: Convert to fraction form
    215,898.40/323,588.40 = 110,663.20/x
  3. Step 3: Cross multiply
    215,898.40x = 323,588.40 × 110,663.20
  4. Step 4: Simplify right side
    215,898.40x = 35,809,327,826.88
  5. Step 5: Solve for x
    x = 35,809,327,826.88/215,898.40
  6. Step 6: Final answer
    x = 165,861.94

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