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Finding the Fourth Proportional to 171,119.92, 256,627.56 and 60,286

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Solution

The fourth proportional to 171,119.92, 256,627.56 and 60,286 is: 90,410.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,119.92 : 256,627.56 = 60,286 : x
  2. Step 2: Convert to fraction form
    171,119.92/256,627.56 = 60,286/x
  3. Step 3: Cross multiply
    171,119.92x = 256,627.56 × 60,286
  4. Step 4: Simplify right side
    171,119.92x = 15,471,049,082.16
  5. Step 5: Solve for x
    x = 15,471,049,082.16/171,119.92
  6. Step 6: Final answer
    x = 90,410.57

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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.