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Finding the Fourth Proportional to 199,063.62, 298,548.99 and 114,644.34

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Solution

The fourth proportional to 199,063.62, 298,548.99 and 114,644.34 is: 171,939.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,063.62 : 298,548.99 = 114,644.34 : x
  2. Step 2: Convert to fraction form
    199,063.62/298,548.99 = 114,644.34/x
  3. Step 3: Cross multiply
    199,063.62x = 298,548.99 × 114,644.34
  4. Step 4: Simplify right side
    199,063.62x = 34,226,951,916.22
  5. Step 5: Solve for x
    x = 34,226,951,916.22/199,063.62
  6. Step 6: Final answer
    x = 171,939.76

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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.