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Finding the Fourth Proportional to 68,564.81, 94,614.54 and 39,888.98

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Solution

The fourth proportional to 68,564.81, 94,614.54 and 39,888.98 is: 55,043.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,564.81 : 94,614.54 = 39,888.98 : x
  2. Step 2: Convert to fraction form
    68,564.81/94,614.54 = 39,888.98/x
  3. Step 3: Cross multiply
    68,564.81x = 94,614.54 × 39,888.98
  4. Step 4: Simplify right side
    68,564.81x = 3,774,077,020.70
  5. Step 5: Solve for x
    x = 3,774,077,020.70/68,564.81
  6. Step 6: Final answer
    x = 55,043.94

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