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Finding the Fourth Proportional to 208,566.22, 287,817.63 and 117,920.62

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Solution

The fourth proportional to 208,566.22, 287,817.63 and 117,920.62 is: 162,728.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,566.22 : 287,817.63 = 117,920.62 : x
  2. Step 2: Convert to fraction form
    208,566.22/287,817.63 = 117,920.62/x
  3. Step 3: Cross multiply
    208,566.22x = 287,817.63 × 117,920.62
  4. Step 4: Simplify right side
    208,566.22x = 33,939,633,376.53
  5. Step 5: Solve for x
    x = 33,939,633,376.53/208,566.22
  6. Step 6: Final answer
    x = 162,728.33

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