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Finding the Fourth Proportional to 323,867.59, 485,150.77 and 161,271.79

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Solution

The fourth proportional to 323,867.59, 485,150.77 and 161,271.79 is: 241,583.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,867.59 : 485,150.77 = 161,271.79 : x
  2. Step 2: Convert to fraction form
    323,867.59/485,150.77 = 161,271.79/x
  3. Step 3: Cross multiply
    323,867.59x = 485,150.77 × 161,271.79
  4. Step 4: Simplify right side
    323,867.59x = 78,241,133,097.78
  5. Step 5: Solve for x
    x = 78,241,133,097.78/323,867.59
  6. Step 6: Final answer
    x = 241,583.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.