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Finding the Fourth Proportional to 151,685.53, 209,326.65 and 83,704.49

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Solution

The fourth proportional to 151,685.53, 209,326.65 and 83,704.49 is: 115,512.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,685.53 : 209,326.65 = 83,704.49 : x
  2. Step 2: Convert to fraction form
    151,685.53/209,326.65 = 83,704.49/x
  3. Step 3: Cross multiply
    151,685.53x = 209,326.65 × 83,704.49
  4. Step 4: Simplify right side
    151,685.53x = 17,521,579,906.11
  5. Step 5: Solve for x
    x = 17,521,579,906.11/151,685.53
  6. Step 6: Final answer
    x = 115,512.54

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