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Finding the Fourth Proportional to 152,786.92, 210,842.77 and 84,799.91

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Solution

The fourth proportional to 152,786.92, 210,842.77 and 84,799.91 is: 117,022.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,786.92 : 210,842.77 = 84,799.91 : x
  2. Step 2: Convert to fraction form
    152,786.92/210,842.77 = 84,799.91/x
  3. Step 3: Cross multiply
    152,786.92x = 210,842.77 × 84,799.91
  4. Step 4: Simplify right side
    152,786.92x = 17,879,447,920.15
  5. Step 5: Solve for x
    x = 17,879,447,920.15/152,786.92
  6. Step 6: Final answer
    x = 117,022.11

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