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Finding the Fourth Proportional to 270,198.42, 372,893.12 and 149,337.10

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Solution

The fourth proportional to 270,198.42, 372,893.12 and 149,337.10 is: 206,095.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,198.42 : 372,893.12 = 149,337.10 : x
  2. Step 2: Convert to fraction form
    270,198.42/372,893.12 = 149,337.10/x
  3. Step 3: Cross multiply
    270,198.42x = 372,893.12 × 149,337.10
  4. Step 4: Simplify right side
    270,198.42x = 55,686,777,150.75
  5. Step 5: Solve for x
    x = 55,686,777,150.75/270,198.42
  6. Step 6: Final answer
    x = 206,095.87

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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.