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Finding the Fourth Proportional to 208,551.80, 312,827.70 and 119,978.30

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Solution

The fourth proportional to 208,551.80, 312,827.70 and 119,978.30 is: 179,967.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,551.80 : 312,827.70 = 119,978.30 : x
  2. Step 2: Convert to fraction form
    208,551.80/312,827.70 = 119,978.30/x
  3. Step 3: Cross multiply
    208,551.80x = 312,827.70 × 119,978.30
  4. Step 4: Simplify right side
    208,551.80x = 37,532,535,638.91
  5. Step 5: Solve for x
    x = 37,532,535,638.91/208,551.80
  6. Step 6: Final answer
    x = 179,967.45

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