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Finding the Fourth Proportional to 231,516.78, 347,038.36 and 156,644.84

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Solution

The fourth proportional to 231,516.78, 347,038.36 and 156,644.84 is: 234,807.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,516.78 : 347,038.36 = 156,644.84 : x
  2. Step 2: Convert to fraction form
    231,516.78/347,038.36 = 156,644.84/x
  3. Step 3: Cross multiply
    231,516.78x = 347,038.36 × 156,644.84
  4. Step 4: Simplify right side
    231,516.78x = 54,361,768,376.06
  5. Step 5: Solve for x
    x = 54,361,768,376.06/231,516.78
  6. Step 6: Final answer
    x = 234,807.03

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