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Finding the Fourth Proportional to 196,763.99, 271,509.37 and 111,882.87

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Solution

The fourth proportional to 196,763.99, 271,509.37 and 111,882.87 is: 154,384.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,763.99 : 271,509.37 = 111,882.87 : x
  2. Step 2: Convert to fraction form
    196,763.99/271,509.37 = 111,882.87/x
  3. Step 3: Cross multiply
    196,763.99x = 271,509.37 × 111,882.87
  4. Step 4: Simplify right side
    196,763.99x = 30,377,247,267.78
  5. Step 5: Solve for x
    x = 30,377,247,267.78/196,763.99
  6. Step 6: Final answer
    x = 154,384.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.