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Finding the Fourth Proportional to 171,203.83, 256,912.36 and 82,466.30

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Solution

The fourth proportional to 171,203.83, 256,912.36 and 82,466.30 is: 123,750.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,203.83 : 256,912.36 = 82,466.30 : x
  2. Step 2: Convert to fraction form
    171,203.83/256,912.36 = 82,466.30/x
  3. Step 3: Cross multiply
    171,203.83x = 256,912.36 × 82,466.30
  4. Step 4: Simplify right side
    171,203.83x = 21,186,612,189.58
  5. Step 5: Solve for x
    x = 21,186,612,189.58/171,203.83
  6. Step 6: Final answer
    x = 123,750.81

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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.