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Finding the Fourth Proportional to 147,988.40, 221,982.60 and 54,530.60

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Solution

The fourth proportional to 147,988.40, 221,982.60 and 54,530.60 is: 81,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,988.40 : 221,982.60 = 54,530.60 : x
  2. Step 2: Convert to fraction form
    147,988.40/221,982.60 = 54,530.60/x
  3. Step 3: Cross multiply
    147,988.40x = 221,982.60 × 54,530.60
  4. Step 4: Simplify right side
    147,988.40x = 12,104,844,367.56
  5. Step 5: Solve for x
    x = 12,104,844,367.56/147,988.40
  6. Step 6: Final answer
    x = 81,795.90

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