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Finding the Fourth Proportional to 11,978,749.26, 17,971,154.81 and 3,342,848.81

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Solution

The fourth proportional to 11,978,749.26, 17,971,154.81 and 3,342,848.81 is: 5,015,119.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,978,749.26 : 17,971,154.81 = 3,342,848.81 : x
  2. Step 2: Convert to fraction form
    11,978,749.26/17,971,154.81 = 3,342,848.81/x
  3. Step 3: Cross multiply
    11,978,749.26x = 17,971,154.81 × 3,342,848.81
  4. Step 4: Simplify right side
    11,978,749.26x = 60,074,853,376,899.95
  5. Step 5: Solve for x
    x = 60,074,853,376,899.95/11,978,749.26
  6. Step 6: Final answer
    x = 5,015,119.03

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