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Finding the Fourth Proportional to 171,156.06, 256,794.90 and 76,377.62

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Solution

The fourth proportional to 171,156.06, 256,794.90 and 76,377.62 is: 114,593.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,156.06 : 256,794.90 = 76,377.62 : x
  2. Step 2: Convert to fraction form
    171,156.06/256,794.90 = 76,377.62/x
  3. Step 3: Cross multiply
    171,156.06x = 256,794.90 × 76,377.62
  4. Step 4: Simplify right side
    171,156.06x = 19,613,382,006.16
  5. Step 5: Solve for x
    x = 19,613,382,006.16/171,156.06
  6. Step 6: Final answer
    x = 114,593.56

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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.