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Finding the Fourth Proportional to 76,062.97, 104,964.69 and 42,072.81

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Solution

The fourth proportional to 76,062.97, 104,964.69 and 42,072.81 is: 58,059.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,062.97 : 104,964.69 = 42,072.81 : x
  2. Step 2: Convert to fraction form
    76,062.97/104,964.69 = 42,072.81/x
  3. Step 3: Cross multiply
    76,062.97x = 104,964.69 × 42,072.81
  4. Step 4: Simplify right side
    76,062.97x = 4,416,159,459.08
  5. Step 5: Solve for x
    x = 4,416,159,459.08/76,062.97
  6. Step 6: Final answer
    x = 58,059.26

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