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Finding the Fourth Proportional to 219,643.60, 329,854.20 and 169,844.80

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Solution

The fourth proportional to 219,643.60, 329,854.20 and 169,844.80 is: 255,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,643.60 : 329,854.20 = 169,844.80 : x
  2. Step 2: Convert to fraction form
    219,643.60/329,854.20 = 169,844.80/x
  3. Step 3: Cross multiply
    219,643.60x = 329,854.20 × 169,844.80
  4. Step 4: Simplify right side
    219,643.60x = 56,024,020,628.16
  5. Step 5: Solve for x
    x = 56,024,020,628.16/219,643.60
  6. Step 6: Final answer
    x = 255,067.85

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