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Finding the Fourth Proportional to 117,478.85, 162,121.05 and 69,741.77

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Solution

The fourth proportional to 117,478.85, 162,121.05 and 69,741.77 is: 96,243.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,478.85 : 162,121.05 = 69,741.77 : x
  2. Step 2: Convert to fraction form
    117,478.85/162,121.05 = 69,741.77/x
  3. Step 3: Cross multiply
    117,478.85x = 162,121.05 × 69,741.77
  4. Step 4: Simplify right side
    117,478.85x = 11,306,608,170.65
  5. Step 5: Solve for x
    x = 11,306,608,170.65/117,478.85
  6. Step 6: Final answer
    x = 96,243.78

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