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Finding the Fourth Proportional to 199,391.44, 299,119.56 and 66,249.04

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Solution

The fourth proportional to 199,391.44, 299,119.56 and 66,249.04 is: 99,384.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,391.44 : 299,119.56 = 66,249.04 : x
  2. Step 2: Convert to fraction form
    199,391.44/299,119.56 = 66,249.04/x
  3. Step 3: Cross multiply
    199,391.44x = 299,119.56 × 66,249.04
  4. Step 4: Simplify right side
    199,391.44x = 19,816,383,695.22
  5. Step 5: Solve for x
    x = 19,816,383,695.22/199,391.44
  6. Step 6: Final answer
    x = 99,384.33

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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.