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Finding the Fourth Proportional to 203,429.94, 280,749.93 and 112,814.31

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Solution

The fourth proportional to 203,429.94, 280,749.93 and 112,814.31 is: 155,692.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,429.94 : 280,749.93 = 112,814.31 : x
  2. Step 2: Convert to fraction form
    203,429.94/280,749.93 = 112,814.31/x
  3. Step 3: Cross multiply
    203,429.94x = 280,749.93 × 112,814.31
  4. Step 4: Simplify right side
    203,429.94x = 31,672,609,635.50
  5. Step 5: Solve for x
    x = 31,672,609,635.50/203,429.94
  6. Step 6: Final answer
    x = 155,692.96

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