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Finding the Fourth Proportional to 170,589.62, 256,106.17 and 131,174.42

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Solution

The fourth proportional to 170,589.62, 256,106.17 and 131,174.42 is: 196,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,589.62 : 256,106.17 = 131,174.42 : x
  2. Step 2: Convert to fraction form
    170,589.62/256,106.17 = 131,174.42/x
  3. Step 3: Cross multiply
    170,589.62x = 256,106.17 × 131,174.42
  4. Step 4: Simplify right side
    170,589.62x = 33,594,577,191.61
  5. Step 5: Solve for x
    x = 33,594,577,191.61/170,589.62
  6. Step 6: Final answer
    x = 196,932.13

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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.