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Finding the Fourth Proportional to 190,656.78, 263,137.86 and 105,801.18

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Solution

The fourth proportional to 190,656.78, 263,137.86 and 105,801.18 is: 146,023.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,656.78 : 263,137.86 = 105,801.18 : x
  2. Step 2: Convert to fraction form
    190,656.78/263,137.86 = 105,801.18/x
  3. Step 3: Cross multiply
    190,656.78x = 263,137.86 × 105,801.18
  4. Step 4: Simplify right side
    190,656.78x = 27,840,296,090.67
  5. Step 5: Solve for x
    x = 27,840,296,090.67/190,656.78
  6. Step 6: Final answer
    x = 146,023.11

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