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Finding the Fourth Proportional to 145,850.20, 218,775.30 and 144,928.60

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Solution

The fourth proportional to 145,850.20, 218,775.30 and 144,928.60 is: 217,392.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,850.20 : 218,775.30 = 144,928.60 : x
  2. Step 2: Convert to fraction form
    145,850.20/218,775.30 = 144,928.60/x
  3. Step 3: Cross multiply
    145,850.20x = 218,775.30 × 144,928.60
  4. Step 4: Simplify right side
    145,850.20x = 31,706,797,943.58
  5. Step 5: Solve for x
    x = 31,706,797,943.58/145,850.20
  6. Step 6: Final answer
    x = 217,392.90

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