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Finding the Fourth Proportional to 74,419.27, 111,628.35 and 30,045.34

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Solution

The fourth proportional to 74,419.27, 111,628.35 and 30,045.34 is: 45,067.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,419.27 : 111,628.35 = 30,045.34 : x
  2. Step 2: Convert to fraction form
    74,419.27/111,628.35 = 30,045.34/x
  3. Step 3: Cross multiply
    74,419.27x = 111,628.35 × 30,045.34
  4. Step 4: Simplify right side
    74,419.27x = 3,353,911,729.39
  5. Step 5: Solve for x
    x = 3,353,911,729.39/74,419.27
  6. Step 6: Final answer
    x = 45,067.79

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