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Finding the Fourth Proportional to 231,197.68, 346,794.88 and 118,909.20

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Solution

The fourth proportional to 231,197.68, 346,794.88 and 118,909.20 is: 178,362.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,197.68 : 346,794.88 = 118,909.20 : x
  2. Step 2: Convert to fraction form
    231,197.68/346,794.88 = 118,909.20/x
  3. Step 3: Cross multiply
    231,197.68x = 346,794.88 × 118,909.20
  4. Step 4: Simplify right side
    231,197.68x = 41,237,101,744.90
  5. Step 5: Solve for x
    x = 41,237,101,744.90/231,197.68
  6. Step 6: Final answer
    x = 178,362.96

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