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Finding the Fourth Proportional to 105,873.48, 146,050.29 and 85,753.08

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Solution

The fourth proportional to 105,873.48, 146,050.29 and 85,753.08 is: 118,294.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,873.48 : 146,050.29 = 85,753.08 : x
  2. Step 2: Convert to fraction form
    105,873.48/146,050.29 = 85,753.08/x
  3. Step 3: Cross multiply
    105,873.48x = 146,050.29 × 85,753.08
  4. Step 4: Simplify right side
    105,873.48x = 12,524,262,202.39
  5. Step 5: Solve for x
    x = 12,524,262,202.39/105,873.48
  6. Step 6: Final answer
    x = 118,294.61

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