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Finding the Fourth Proportional to 171,150.66, 256,616.64 and 82,227.24

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Solution

The fourth proportional to 171,150.66, 256,616.64 and 82,227.24 is: 123,288.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,150.66 : 256,616.64 = 82,227.24 : x
  2. Step 2: Convert to fraction form
    171,150.66/256,616.64 = 82,227.24/x
  3. Step 3: Cross multiply
    171,150.66x = 256,616.64 × 82,227.24
  4. Step 4: Simplify right side
    171,150.66x = 21,100,878,045.27
  5. Step 5: Solve for x
    x = 21,100,878,045.27/171,150.66
  6. Step 6: Final answer
    x = 123,288.32

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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.