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Finding the Fourth Proportional to 169,662.40, 254,493.60 and 142,014.40

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Solution

The fourth proportional to 169,662.40, 254,493.60 and 142,014.40 is: 213,021.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,662.40 : 254,493.60 = 142,014.40 : x
  2. Step 2: Convert to fraction form
    169,662.40/254,493.60 = 142,014.40/x
  3. Step 3: Cross multiply
    169,662.40x = 254,493.60 × 142,014.40
  4. Step 4: Simplify right side
    169,662.40x = 36,141,755,907.84
  5. Step 5: Solve for x
    x = 36,141,755,907.84/169,662.40
  6. Step 6: Final answer
    x = 213,021.60

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