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Finding the Fourth Proportional to 78,771.33, 118,051.46 and 73,726.79

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Solution

The fourth proportional to 78,771.33, 118,051.46 and 73,726.79 is: 110,491.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,771.33 : 118,051.46 = 73,726.79 : x
  2. Step 2: Convert to fraction form
    78,771.33/118,051.46 = 73,726.79/x
  3. Step 3: Cross multiply
    78,771.33x = 118,051.46 × 73,726.79
  4. Step 4: Simplify right side
    78,771.33x = 8,703,554,960.89
  5. Step 5: Solve for x
    x = 8,703,554,960.89/78,771.33
  6. Step 6: Final answer
    x = 110,491.40

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