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Finding the Fourth Proportional to 196,351.20, 294,181.20 and 168,703.20

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Solution

The fourth proportional to 196,351.20, 294,181.20 and 168,703.20 is: 252,757.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,351.20 : 294,181.20 = 168,703.20 : x
  2. Step 2: Convert to fraction form
    196,351.20/294,181.20 = 168,703.20/x
  3. Step 3: Cross multiply
    196,351.20x = 294,181.20 × 168,703.20
  4. Step 4: Simplify right side
    196,351.20x = 49,629,309,819.84
  5. Step 5: Solve for x
    x = 49,629,309,819.84/196,351.20
  6. Step 6: Final answer
    x = 252,757.86

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1.5x scale

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.