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Finding the Fourth Proportional to 83,470.16, 115,168.22 and 49,486.62

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Solution

The fourth proportional to 83,470.16, 115,168.22 and 49,486.62 is: 68,279.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,470.16 : 115,168.22 = 49,486.62 : x
  2. Step 2: Convert to fraction form
    83,470.16/115,168.22 = 49,486.62/x
  3. Step 3: Cross multiply
    83,470.16x = 115,168.22 × 49,486.62
  4. Step 4: Simplify right side
    83,470.16x = 5,699,285,939.22
  5. Step 5: Solve for x
    x = 5,699,285,939.22/83,470.16
  6. Step 6: Final answer
    x = 68,279.32

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