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Finding the Fourth Proportional to 357,172.48, 492,928.28 and 196,054.83

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Solution

The fourth proportional to 357,172.48, 492,928.28 and 196,054.83 is: 270,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,172.48 : 492,928.28 = 196,054.83 : x
  2. Step 2: Convert to fraction form
    357,172.48/492,928.28 = 196,054.83/x
  3. Step 3: Cross multiply
    357,172.48x = 492,928.28 × 196,054.83
  4. Step 4: Simplify right side
    357,172.48x = 96,640,970,137.59
  5. Step 5: Solve for x
    x = 96,640,970,137.59/357,172.48
  6. Step 6: Final answer
    x = 270,572.27

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