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Finding the Fourth Proportional to 105,920.93, 146,170.80 and 58,177.37

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Solution

The fourth proportional to 105,920.93, 146,170.80 and 58,177.37 is: 80,284.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,920.93 : 146,170.80 = 58,177.37 : x
  2. Step 2: Convert to fraction form
    105,920.93/146,170.80 = 58,177.37/x
  3. Step 3: Cross multiply
    105,920.93x = 146,170.80 × 58,177.37
  4. Step 4: Simplify right side
    105,920.93x = 8,503,833,080.22
  5. Step 5: Solve for x
    x = 8,503,833,080.22/105,920.93
  6. Step 6: Final answer
    x = 80,284.73

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