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Finding the Fourth Proportional to 208,591.08, 312,111.24 and 124,396.92

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Solution

The fourth proportional to 208,591.08, 312,111.24 and 124,396.92 is: 186,132.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,591.08 : 312,111.24 = 124,396.92 : x
  2. Step 2: Convert to fraction form
    208,591.08/312,111.24 = 124,396.92/x
  3. Step 3: Cross multiply
    208,591.08x = 312,111.24 × 124,396.92
  4. Step 4: Simplify right side
    208,591.08x = 38,825,676,953.38
  5. Step 5: Solve for x
    x = 38,825,676,953.38/208,591.08
  6. Step 6: Final answer
    x = 186,132.97

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