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Finding the Fourth Proportional to 171,469.82, 257,110.77 and 53,108.30

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Solution

The fourth proportional to 171,469.82, 257,110.77 and 53,108.30 is: 79,633.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,469.82 : 257,110.77 = 53,108.30 : x
  2. Step 2: Convert to fraction form
    171,469.82/257,110.77 = 53,108.30/x
  3. Step 3: Cross multiply
    171,469.82x = 257,110.77 × 53,108.30
  4. Step 4: Simplify right side
    171,469.82x = 13,654,715,906.39
  5. Step 5: Solve for x
    x = 13,654,715,906.39/171,469.82
  6. Step 6: Final answer
    x = 79,633.35

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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.