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Finding the Fourth Proportional to 136,616.58, 204,946.74 and 57,731.58

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Solution

The fourth proportional to 136,616.58, 204,946.74 and 57,731.58 is: 86,606.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,616.58 : 204,946.74 = 57,731.58 : x
  2. Step 2: Convert to fraction form
    136,616.58/204,946.74 = 57,731.58/x
  3. Step 3: Cross multiply
    136,616.58x = 204,946.74 × 57,731.58
  4. Step 4: Simplify right side
    136,616.58x = 11,831,899,116.05
  5. Step 5: Solve for x
    x = 11,831,899,116.05/136,616.58
  6. Step 6: Final answer
    x = 86,606.61

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