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Finding the Fourth Proportional to 157,794.77, 217,755.67 and 86,174.81

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Solution

The fourth proportional to 157,794.77, 217,755.67 and 86,174.81 is: 118,920.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,794.77 : 217,755.67 = 86,174.81 : x
  2. Step 2: Convert to fraction form
    157,794.77/217,755.67 = 86,174.81/x
  3. Step 3: Cross multiply
    157,794.77x = 217,755.67 × 86,174.81
  4. Step 4: Simplify right side
    157,794.77x = 18,765,053,488.67
  5. Step 5: Solve for x
    x = 18,765,053,488.67/157,794.77
  6. Step 6: Final answer
    x = 118,920.63

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