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Finding the Fourth Proportional to 191,792.36, 264,786.85 and 170,512.73

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Solution

The fourth proportional to 191,792.36, 264,786.85 and 170,512.73 is: 235,408.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,792.36 : 264,786.85 = 170,512.73 : x
  2. Step 2: Convert to fraction form
    191,792.36/264,786.85 = 170,512.73/x
  3. Step 3: Cross multiply
    191,792.36x = 264,786.85 × 170,512.73
  4. Step 4: Simplify right side
    191,792.36x = 45,149,526,911.38
  5. Step 5: Solve for x
    x = 45,149,526,911.38/191,792.36
  6. Step 6: Final answer
    x = 235,408.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.