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Finding the Fourth Proportional to 74,051.86, 111,077.67 and 18,647.86

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Solution

The fourth proportional to 74,051.86, 111,077.67 and 18,647.86 is: 27,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.86 : 111,077.67 = 18,647.86 : x
  2. Step 2: Convert to fraction form
    74,051.86/111,077.67 = 18,647.86/x
  3. Step 3: Cross multiply
    74,051.86x = 111,077.67 × 18,647.86
  4. Step 4: Simplify right side
    74,051.86x = 2,071,360,839.29
  5. Step 5: Solve for x
    x = 2,071,360,839.29/74,051.86
  6. Step 6: Final answer
    x = 27,971.76

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