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Finding the Fourth Proportional to 63,272.30, 94,917.62 and 21,139.86

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Solution

The fourth proportional to 63,272.30, 94,917.62 and 21,139.86 is: 31,712.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,272.30 : 94,917.62 = 21,139.86 : x
  2. Step 2: Convert to fraction form
    63,272.30/94,917.62 = 21,139.86/x
  3. Step 3: Cross multiply
    63,272.30x = 94,917.62 × 21,139.86
  4. Step 4: Simplify right side
    63,272.30x = 2,006,545,340.17
  5. Step 5: Solve for x
    x = 2,006,545,340.17/63,272.30
  6. Step 6: Final answer
    x = 31,712.86

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