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Finding the Fourth Proportional to 286,058.64, 394,761 and 158,754.72

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Solution

The fourth proportional to 286,058.64, 394,761 and 158,754.72 is: 219,081.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,058.64 : 394,761 = 158,754.72 : x
  2. Step 2: Convert to fraction form
    286,058.64/394,761 = 158,754.72/x
  3. Step 3: Cross multiply
    286,058.64x = 394,761 × 158,754.72
  4. Step 4: Simplify right side
    286,058.64x = 62,670,172,021.92
  5. Step 5: Solve for x
    x = 62,670,172,021.92/286,058.64
  6. Step 6: Final answer
    x = 219,081.56

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