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Finding the Fourth Proportional to 217,741.94, 326,528.94 and 84,604.67

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Solution

The fourth proportional to 217,741.94, 326,528.94 and 84,604.67 is: 126,874.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,741.94 : 326,528.94 = 84,604.67 : x
  2. Step 2: Convert to fraction form
    217,741.94/326,528.94 = 84,604.67/x
  3. Step 3: Cross multiply
    217,741.94x = 326,528.94 × 84,604.67
  4. Step 4: Simplify right side
    217,741.94x = 27,625,873,214.15
  5. Step 5: Solve for x
    x = 27,625,873,214.15/217,741.94
  6. Step 6: Final answer
    x = 126,874.38

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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.