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Finding the Fourth Proportional to 148,654.70, 205,143.61 and 80,671.67

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Solution

The fourth proportional to 148,654.70, 205,143.61 and 80,671.67 is: 111,326.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,654.70 : 205,143.61 = 80,671.67 : x
  2. Step 2: Convert to fraction form
    148,654.70/205,143.61 = 80,671.67/x
  3. Step 3: Cross multiply
    148,654.70x = 205,143.61 × 80,671.67
  4. Step 4: Simplify right side
    148,654.70x = 16,549,277,608.53
  5. Step 5: Solve for x
    x = 16,549,277,608.53/148,654.70
  6. Step 6: Final answer
    x = 111,326.97

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