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Finding the Fourth Proportional to 210,998.96, 316,339.26 and 68,759.30

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Solution

The fourth proportional to 210,998.96, 316,339.26 and 68,759.30 is: 103,087.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,998.96 : 316,339.26 = 68,759.30 : x
  2. Step 2: Convert to fraction form
    210,998.96/316,339.26 = 68,759.30/x
  3. Step 3: Cross multiply
    210,998.96x = 316,339.26 × 68,759.30
  4. Step 4: Simplify right side
    210,998.96x = 21,751,264,833.71
  5. Step 5: Solve for x
    x = 21,751,264,833.71/210,998.96
  6. Step 6: Final answer
    x = 103,087.07

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