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Finding the Fourth Proportional to 271,162.78, 374,078.07 and 170,616.22

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Solution

The fourth proportional to 271,162.78, 374,078.07 and 170,616.22 is: 235,370.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,162.78 : 374,078.07 = 170,616.22 : x
  2. Step 2: Convert to fraction form
    271,162.78/374,078.07 = 170,616.22/x
  3. Step 3: Cross multiply
    271,162.78x = 374,078.07 × 170,616.22
  4. Step 4: Simplify right side
    271,162.78x = 63,823,786,288.30
  5. Step 5: Solve for x
    x = 63,823,786,288.30/271,162.78
  6. Step 6: Final answer
    x = 235,370.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.