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Finding the Fourth Proportional to 105,690.87, 145,846.13 and 62,668.17

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Solution

The fourth proportional to 105,690.87, 145,846.13 and 62,668.17 is: 86,477.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,690.87 : 145,846.13 = 62,668.17 : x
  2. Step 2: Convert to fraction form
    105,690.87/145,846.13 = 62,668.17/x
  3. Step 3: Cross multiply
    105,690.87x = 145,846.13 × 62,668.17
  4. Step 4: Simplify right side
    105,690.87x = 9,139,909,755.34
  5. Step 5: Solve for x
    x = 9,139,909,755.34/105,690.87
  6. Step 6: Final answer
    x = 86,477.76

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