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Finding the Fourth Proportional to 202,691.60, 304,037.40 and 102,813.20

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Solution

The fourth proportional to 202,691.60, 304,037.40 and 102,813.20 is: 154,219.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,691.60 : 304,037.40 = 102,813.20 : x
  2. Step 2: Convert to fraction form
    202,691.60/304,037.40 = 102,813.20/x
  3. Step 3: Cross multiply
    202,691.60x = 304,037.40 × 102,813.20
  4. Step 4: Simplify right side
    202,691.60x = 31,259,058,013.68
  5. Step 5: Solve for x
    x = 31,259,058,013.68/202,691.60
  6. Step 6: Final answer
    x = 154,219.80

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