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Finding the Fourth Proportional to 79,019.81, 118,528.46 and 19,855.52

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Solution

The fourth proportional to 79,019.81, 118,528.46 and 19,855.52 is: 29,782.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,019.81 : 118,528.46 = 19,855.52 : x
  2. Step 2: Convert to fraction form
    79,019.81/118,528.46 = 19,855.52/x
  3. Step 3: Cross multiply
    79,019.81x = 118,528.46 × 19,855.52
  4. Step 4: Simplify right side
    79,019.81x = 2,353,444,208.10
  5. Step 5: Solve for x
    x = 2,353,444,208.10/79,019.81
  6. Step 6: Final answer
    x = 29,782.96

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