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Finding the Fourth Proportional to 165,487.20, 248,230.80 and 147,116.40

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Solution

The fourth proportional to 165,487.20, 248,230.80 and 147,116.40 is: 220,674.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,487.20 : 248,230.80 = 147,116.40 : x
  2. Step 2: Convert to fraction form
    165,487.20/248,230.80 = 147,116.40/x
  3. Step 3: Cross multiply
    165,487.20x = 248,230.80 × 147,116.40
  4. Step 4: Simplify right side
    165,487.20x = 36,518,821,665.12
  5. Step 5: Solve for x
    x = 36,518,821,665.12/165,487.20
  6. Step 6: Final answer
    x = 220,674.60

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