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Finding the Fourth Proportional to 121,997.76, 183,008.66 and 42,042.12

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Solution

The fourth proportional to 121,997.76, 183,008.66 and 42,042.12 is: 63,067.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,997.76 : 183,008.66 = 42,042.12 : x
  2. Step 2: Convert to fraction form
    121,997.76/183,008.66 = 42,042.12/x
  3. Step 3: Cross multiply
    121,997.76x = 183,008.66 × 42,042.12
  4. Step 4: Simplify right side
    121,997.76x = 7,694,072,044.76
  5. Step 5: Solve for x
    x = 7,694,072,044.76/121,997.76
  6. Step 6: Final answer
    x = 63,067.32

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