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Finding the Fourth Proportional to 325,812.60, 488,330.10 and 136,272.60

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Solution

The fourth proportional to 325,812.60, 488,330.10 and 136,272.60 is: 204,246.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,812.60 : 488,330.10 = 136,272.60 : x
  2. Step 2: Convert to fraction form
    325,812.60/488,330.10 = 136,272.60/x
  3. Step 3: Cross multiply
    325,812.60x = 488,330.10 × 136,272.60
  4. Step 4: Simplify right side
    325,812.60x = 66,546,012,385.26
  5. Step 5: Solve for x
    x = 66,546,012,385.26/325,812.60
  6. Step 6: Final answer
    x = 204,246.28

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