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Finding the Fourth Proportional to 134,832.80, 202,249.20 and 126,522.20

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Solution

The fourth proportional to 134,832.80, 202,249.20 and 126,522.20 is: 189,783.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,832.80 : 202,249.20 = 126,522.20 : x
  2. Step 2: Convert to fraction form
    134,832.80/202,249.20 = 126,522.20/x
  3. Step 3: Cross multiply
    134,832.80x = 202,249.20 × 126,522.20
  4. Step 4: Simplify right side
    134,832.80x = 25,589,013,732.24
  5. Step 5: Solve for x
    x = 25,589,013,732.24/134,832.80
  6. Step 6: Final answer
    x = 189,783.30

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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.