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Finding the Fourth Proportional to 217,963.52, 326,938.80 and 60,201.44

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Solution

The fourth proportional to 217,963.52, 326,938.80 and 60,201.44 is: 90,300.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,963.52 : 326,938.80 = 60,201.44 : x
  2. Step 2: Convert to fraction form
    217,963.52/326,938.80 = 60,201.44/x
  3. Step 3: Cross multiply
    217,963.52x = 326,938.80 × 60,201.44
  4. Step 4: Simplify right side
    217,963.52x = 19,682,186,551.87
  5. Step 5: Solve for x
    x = 19,682,186,551.87/217,963.52
  6. Step 6: Final answer
    x = 90,300.37

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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.