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Finding the Fourth Proportional to 196,753.79, 295,139.91 and 63,644.42

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Solution

The fourth proportional to 196,753.79, 295,139.91 and 63,644.42 is: 95,469.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,753.79 : 295,139.91 = 63,644.42 : x
  2. Step 2: Convert to fraction form
    196,753.79/295,139.91 = 63,644.42/x
  3. Step 3: Cross multiply
    196,753.79x = 295,139.91 × 63,644.42
  4. Step 4: Simplify right side
    196,753.79x = 18,784,006,915.10
  5. Step 5: Solve for x
    x = 18,784,006,915.10/196,753.79
  6. Step 6: Final answer
    x = 95,469.61

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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.