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Finding the Fourth Proportional to 172,849.80, 259,493.40 and 92,951.40

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Solution

The fourth proportional to 172,849.80, 259,493.40 and 92,951.40 is: 139,544.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,849.80 : 259,493.40 = 92,951.40 : x
  2. Step 2: Convert to fraction form
    172,849.80/259,493.40 = 92,951.40/x
  3. Step 3: Cross multiply
    172,849.80x = 259,493.40 × 92,951.40
  4. Step 4: Simplify right side
    172,849.80x = 24,120,274,820.76
  5. Step 5: Solve for x
    x = 24,120,274,820.76/172,849.80
  6. Step 6: Final answer
    x = 139,544.71

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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.