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Finding the Fourth Proportional to 259,146.60, 388,774.44 and 146,880.60

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Solution

The fourth proportional to 259,146.60, 388,774.44 and 146,880.60 is: 220,351.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,146.60 : 388,774.44 = 146,880.60 : x
  2. Step 2: Convert to fraction form
    259,146.60/388,774.44 = 146,880.60/x
  3. Step 3: Cross multiply
    259,146.60x = 388,774.44 × 146,880.60
  4. Step 4: Simplify right side
    259,146.60x = 57,103,423,011.86
  5. Step 5: Solve for x
    x = 57,103,423,011.86/259,146.60
  6. Step 6: Final answer
    x = 220,351.81

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