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Finding the Fourth Proportional to 348,538.60, 522,807.90 and 111,905.20

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Solution

The fourth proportional to 348,538.60, 522,807.90 and 111,905.20 is: 167,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,538.60 : 522,807.90 = 111,905.20 : x
  2. Step 2: Convert to fraction form
    348,538.60/522,807.90 = 111,905.20/x
  3. Step 3: Cross multiply
    348,538.60x = 522,807.90 × 111,905.20
  4. Step 4: Simplify right side
    348,538.60x = 58,504,922,611.08
  5. Step 5: Solve for x
    x = 58,504,922,611.08/348,538.60
  6. Step 6: Final answer
    x = 167,857.80

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