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Finding the Fourth Proportional to 271,922.80, 408,143.64 and 166,946.80

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Solution

The fourth proportional to 271,922.80, 408,143.64 and 166,946.80 is: 250,579.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,922.80 : 408,143.64 = 166,946.80 : x
  2. Step 2: Convert to fraction form
    271,922.80/408,143.64 = 166,946.80/x
  3. Step 3: Cross multiply
    271,922.80x = 408,143.64 × 166,946.80
  4. Step 4: Simplify right side
    271,922.80x = 68,138,274,638.35
  5. Step 5: Solve for x
    x = 68,138,274,638.35/271,922.80
  6. Step 6: Final answer
    x = 250,579.48

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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.