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Finding the Fourth Proportional to 605,136.60, 907,704.90 and 161,904.60

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Solution

The fourth proportional to 605,136.60, 907,704.90 and 161,904.60 is: 242,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,136.60 : 907,704.90 = 161,904.60 : x
  2. Step 2: Convert to fraction form
    605,136.60/907,704.90 = 161,904.60/x
  3. Step 3: Cross multiply
    605,136.60x = 907,704.90 × 161,904.60
  4. Step 4: Simplify right side
    605,136.60x = 146,961,598,752.54
  5. Step 5: Solve for x
    x = 146,961,598,752.54/605,136.60
  6. Step 6: Final answer
    x = 242,856.90

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