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Finding the Fourth Proportional to 172,723.99, 259,085.98 and 67,469.14

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Solution

The fourth proportional to 172,723.99, 259,085.98 and 67,469.14 is: 101,203.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,723.99 : 259,085.98 = 67,469.14 : x
  2. Step 2: Convert to fraction form
    172,723.99/259,085.98 = 67,469.14/x
  3. Step 3: Cross multiply
    172,723.99x = 259,085.98 × 67,469.14
  4. Step 4: Simplify right side
    172,723.99x = 17,480,308,256.66
  5. Step 5: Solve for x
    x = 17,480,308,256.66/172,723.99
  6. Step 6: Final answer
    x = 101,203.71

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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.