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Finding the Fourth Proportional to 339,659.19, 509,457.33 and 114,993.95

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Solution

The fourth proportional to 339,659.19, 509,457.33 and 114,993.95 is: 172,480.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,659.19 : 509,457.33 = 114,993.95 : x
  2. Step 2: Convert to fraction form
    339,659.19/509,457.33 = 114,993.95/x
  3. Step 3: Cross multiply
    339,659.19x = 509,457.33 × 114,993.95
  4. Step 4: Simplify right side
    339,659.19x = 58,584,508,185.87
  5. Step 5: Solve for x
    x = 58,584,508,185.87/339,659.19
  6. Step 6: Final answer
    x = 172,480.27

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