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Finding the Fourth Proportional to 170,305.83, 255,489.72 and 57,980.29

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Solution

The fourth proportional to 170,305.83, 255,489.72 and 57,980.29 is: 86,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,305.83 : 255,489.72 = 57,980.29 : x
  2. Step 2: Convert to fraction form
    170,305.83/255,489.72 = 57,980.29/x
  3. Step 3: Cross multiply
    170,305.83x = 255,489.72 × 57,980.29
  4. Step 4: Simplify right side
    170,305.83x = 14,813,368,057.62
  5. Step 5: Solve for x
    x = 14,813,368,057.62/170,305.83
  6. Step 6: Final answer
    x = 86,980.98

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