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Finding the Fourth Proportional to 79,243.90, 109,367.80 and 49,038.96

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Solution

The fourth proportional to 79,243.90, 109,367.80 and 49,038.96 is: 67,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,243.90 : 109,367.80 = 49,038.96 : x
  2. Step 2: Convert to fraction form
    79,243.90/109,367.80 = 49,038.96/x
  3. Step 3: Cross multiply
    79,243.90x = 109,367.80 × 49,038.96
  4. Step 4: Simplify right side
    79,243.90x = 5,363,282,705.27
  5. Step 5: Solve for x
    x = 5,363,282,705.27/79,243.90
  6. Step 6: Final answer
    x = 67,680.70

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