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Finding the Fourth Proportional to 172,892.94, 259,330.23 and 52,949.85

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Solution

The fourth proportional to 172,892.94, 259,330.23 and 52,949.85 is: 79,421.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,892.94 : 259,330.23 = 52,949.85 : x
  2. Step 2: Convert to fraction form
    172,892.94/259,330.23 = 52,949.85/x
  3. Step 3: Cross multiply
    172,892.94x = 259,330.23 × 52,949.85
  4. Step 4: Simplify right side
    172,892.94x = 13,731,496,778.97
  5. Step 5: Solve for x
    x = 13,731,496,778.97/172,892.94
  6. Step 6: Final answer
    x = 79,421.96

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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.