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Finding the Fourth Proportional to 148,737.20, 223,105.80 and 89,688.20

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Solution

The fourth proportional to 148,737.20, 223,105.80 and 89,688.20 is: 134,532.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,737.20 : 223,105.80 = 89,688.20 : x
  2. Step 2: Convert to fraction form
    148,737.20/223,105.80 = 89,688.20/x
  3. Step 3: Cross multiply
    148,737.20x = 223,105.80 × 89,688.20
  4. Step 4: Simplify right side
    148,737.20x = 20,009,957,611.56
  5. Step 5: Solve for x
    x = 20,009,957,611.56/148,737.20
  6. Step 6: Final answer
    x = 134,532.30

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