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Finding the Fourth Proportional to 171,162.66, 256,634.61 and 82,239.24

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Solution

The fourth proportional to 171,162.66, 256,634.61 and 82,239.24 is: 123,306.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,162.66 : 256,634.61 = 82,239.24 : x
  2. Step 2: Convert to fraction form
    171,162.66/256,634.61 = 82,239.24/x
  3. Step 3: Cross multiply
    171,162.66x = 256,634.61 × 82,239.24
  4. Step 4: Simplify right side
    171,162.66x = 21,105,435,284.10
  5. Step 5: Solve for x
    x = 21,105,435,284.10/171,162.66
  6. Step 6: Final answer
    x = 123,306.31

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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.