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Finding the Fourth Proportional to 199,601.10, 299,401.65 and 196,976.70

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Solution

The fourth proportional to 199,601.10, 299,401.65 and 196,976.70 is: 295,465.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,601.10 : 299,401.65 = 196,976.70 : x
  2. Step 2: Convert to fraction form
    199,601.10/299,401.65 = 196,976.70/x
  3. Step 3: Cross multiply
    199,601.10x = 299,401.65 × 196,976.70
  4. Step 4: Simplify right side
    199,601.10x = 58,975,148,991.56
  5. Step 5: Solve for x
    x = 58,975,148,991.56/199,601.10
  6. Step 6: Final answer
    x = 295,465.05

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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.