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Finding the Fourth Proportional to 196,774.28, 295,199.34 and 63,687.56

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Solution

The fourth proportional to 196,774.28, 295,199.34 and 63,687.56 is: 95,543.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,774.28 : 295,199.34 = 63,687.56 : x
  2. Step 2: Convert to fraction form
    196,774.28/295,199.34 = 63,687.56/x
  3. Step 3: Cross multiply
    196,774.28x = 295,199.34 × 63,687.56
  4. Step 4: Simplify right side
    196,774.28x = 18,800,525,678.21
  5. Step 5: Solve for x
    x = 18,800,525,678.21/196,774.28
  6. Step 6: Final answer
    x = 95,543.61

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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.