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Finding the Fourth Proportional to 147,604.80, 221,378.40 and 47,740.80

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Solution

The fourth proportional to 147,604.80, 221,378.40 and 47,740.80 is: 71,601.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,604.80 : 221,378.40 = 47,740.80 : x
  2. Step 2: Convert to fraction form
    147,604.80/221,378.40 = 47,740.80/x
  3. Step 3: Cross multiply
    147,604.80x = 221,378.40 × 47,740.80
  4. Step 4: Simplify right side
    147,604.80x = 10,568,781,918.72
  5. Step 5: Solve for x
    x = 10,568,781,918.72/147,604.80
  6. Step 6: Final answer
    x = 71,601.89

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