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Finding the Fourth Proportional to 68,972.16, 103,450.45 and 19,059.38

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Solution

The fourth proportional to 68,972.16, 103,450.45 and 19,059.38 is: 28,586.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,972.16 : 103,450.45 = 19,059.38 : x
  2. Step 2: Convert to fraction form
    68,972.16/103,450.45 = 19,059.38/x
  3. Step 3: Cross multiply
    68,972.16x = 103,450.45 × 19,059.38
  4. Step 4: Simplify right side
    68,972.16x = 1,971,701,437.72
  5. Step 5: Solve for x
    x = 1,971,701,437.72/68,972.16
  6. Step 6: Final answer
    x = 28,586.92

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