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Finding the Fourth Proportional to 79,751.38, 110,061.81 and 43,941.38

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Solution

The fourth proportional to 79,751.38, 110,061.81 and 43,941.38 is: 60,641.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,751.38 : 110,061.81 = 43,941.38 : x
  2. Step 2: Convert to fraction form
    79,751.38/110,061.81 = 43,941.38/x
  3. Step 3: Cross multiply
    79,751.38x = 110,061.81 × 43,941.38
  4. Step 4: Simplify right side
    79,751.38x = 4,836,267,982.00
  5. Step 5: Solve for x
    x = 4,836,267,982.00/79,751.38
  6. Step 6: Final answer
    x = 60,641.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.