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Finding the Fourth Proportional to 137,566.74, 206,408.43 and 75,164.34

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Solution

The fourth proportional to 137,566.74, 206,408.43 and 75,164.34 is: 112,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,566.74 : 206,408.43 = 75,164.34 : x
  2. Step 2: Convert to fraction form
    137,566.74/206,408.43 = 75,164.34/x
  3. Step 3: Cross multiply
    137,566.74x = 206,408.43 × 75,164.34
  4. Step 4: Simplify right side
    137,566.74x = 15,514,553,411.39
  5. Step 5: Solve for x
    x = 15,514,553,411.39/137,566.74
  6. Step 6: Final answer
    x = 112,778.38

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