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Finding the Fourth Proportional to 228,987.40, 343,481.10 and 169,938.40

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Solution

The fourth proportional to 228,987.40, 343,481.10 and 169,938.40 is: 254,907.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,987.40 : 343,481.10 = 169,938.40 : x
  2. Step 2: Convert to fraction form
    228,987.40/343,481.10 = 169,938.40/x
  3. Step 3: Cross multiply
    228,987.40x = 343,481.10 × 169,938.40
  4. Step 4: Simplify right side
    228,987.40x = 58,370,628,564.24
  5. Step 5: Solve for x
    x = 58,370,628,564.24/228,987.40
  6. Step 6: Final answer
    x = 254,907.60

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