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Finding the Fourth Proportional to 263,791.76, 364,039.41 and 161,873.54

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Solution

The fourth proportional to 263,791.76, 364,039.41 and 161,873.54 is: 223,389.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,791.76 : 364,039.41 = 161,873.54 : x
  2. Step 2: Convert to fraction form
    263,791.76/364,039.41 = 161,873.54/x
  3. Step 3: Cross multiply
    263,791.76x = 364,039.41 × 161,873.54
  4. Step 4: Simplify right side
    263,791.76x = 58,928,348,148.19
  5. Step 5: Solve for x
    x = 58,928,348,148.19/263,791.76
  6. Step 6: Final answer
    x = 223,389.64

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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.