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Finding the Fourth Proportional to 263,792.77, 364,040.80 and 161,874.54

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Solution

The fourth proportional to 263,792.77, 364,040.80 and 161,874.54 is: 223,391.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,792.77 : 364,040.80 = 161,874.54 : x
  2. Step 2: Convert to fraction form
    263,792.77/364,040.80 = 161,874.54/x
  3. Step 3: Cross multiply
    263,792.77x = 364,040.80 × 161,874.54
  4. Step 4: Simplify right side
    263,792.77x = 58,928,936,231.86
  5. Step 5: Solve for x
    x = 58,928,936,231.86/263,792.77
  6. Step 6: Final answer
    x = 223,391.03

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Why These Related Problems?

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