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Finding the Fourth Proportional to 200,843.32, 301,272.82 and 60,601.96

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Solution

The fourth proportional to 200,843.32, 301,272.82 and 60,601.96 is: 90,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,843.32 : 301,272.82 = 60,601.96 : x
  2. Step 2: Convert to fraction form
    200,843.32/301,272.82 = 60,601.96/x
  3. Step 3: Cross multiply
    200,843.32x = 301,272.82 × 60,601.96
  4. Step 4: Simplify right side
    200,843.32x = 18,257,723,386.73
  5. Step 5: Solve for x
    x = 18,257,723,386.73/200,843.32
  6. Step 6: Final answer
    x = 90,905.31

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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.