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Finding the Fourth Proportional to 136,447.72, 204,693.48 and 57,573.58

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Solution

The fourth proportional to 136,447.72, 204,693.48 and 57,573.58 is: 86,369.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,447.72 : 204,693.48 = 57,573.58 : x
  2. Step 2: Convert to fraction form
    136,447.72/204,693.48 = 57,573.58/x
  3. Step 3: Cross multiply
    136,447.72x = 204,693.48 × 57,573.58
  4. Step 4: Simplify right side
    136,447.72x = 11,784,936,446.26
  5. Step 5: Solve for x
    x = 11,784,936,446.26/136,447.72
  6. Step 6: Final answer
    x = 86,369.61

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