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Finding the Fourth Proportional to 171,885.10, 258,022.05 and 132,616.30

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Solution

The fourth proportional to 171,885.10, 258,022.05 and 132,616.30 is: 199,074.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,885.10 : 258,022.05 = 132,616.30 : x
  2. Step 2: Convert to fraction form
    171,885.10/258,022.05 = 132,616.30/x
  3. Step 3: Cross multiply
    171,885.10x = 258,022.05 × 132,616.30
  4. Step 4: Simplify right side
    171,885.10x = 34,217,929,589.42
  5. Step 5: Solve for x
    x = 34,217,929,589.42/171,885.10
  6. Step 6: Final answer
    x = 199,074.44

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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.