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Finding the Fourth Proportional to 171,333.43, 256,852.41 and 82,649.23

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Solution

The fourth proportional to 171,333.43, 256,852.41 and 82,649.23 is: 123,902.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,333.43 : 256,852.41 = 82,649.23 : x
  2. Step 2: Convert to fraction form
    171,333.43/256,852.41 = 82,649.23/x
  3. Step 3: Cross multiply
    171,333.43x = 256,852.41 × 82,649.23
  4. Step 4: Simplify right side
    171,333.43x = 21,228,653,910.14
  5. Step 5: Solve for x
    x = 21,228,653,910.14/171,333.43
  6. Step 6: Final answer
    x = 123,902.58

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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.