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Finding the Fourth Proportional to 172,997.34, 259,494.45 and 54,668.70

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Solution

The fourth proportional to 172,997.34, 259,494.45 and 54,668.70 is: 82,002.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,997.34 : 259,494.45 = 54,668.70 : x
  2. Step 2: Convert to fraction form
    172,997.34/259,494.45 = 54,668.70/x
  3. Step 3: Cross multiply
    172,997.34x = 259,494.45 × 54,668.70
  4. Step 4: Simplify right side
    172,997.34x = 14,186,224,238.72
  5. Step 5: Solve for x
    x = 14,186,224,238.72/172,997.34
  6. Step 6: Final answer
    x = 82,002.56

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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.