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Finding the Fourth Proportional to 217,510.44, 326,289.96 and 67,725.24

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Solution

The fourth proportional to 217,510.44, 326,289.96 and 67,725.24 is: 101,595.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,510.44 : 326,289.96 = 67,725.24 : x
  2. Step 2: Convert to fraction form
    217,510.44/326,289.96 = 67,725.24/x
  3. Step 3: Cross multiply
    217,510.44x = 326,289.96 × 67,725.24
  4. Step 4: Simplify right side
    217,510.44x = 22,098,065,850.59
  5. Step 5: Solve for x
    x = 22,098,065,850.59/217,510.44
  6. Step 6: Final answer
    x = 101,595.43

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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.