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Finding the Fourth Proportional to 191,792.35, 264,786.85 and 170,512.74

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Solution

The fourth proportional to 191,792.35, 264,786.85 and 170,512.74 is: 235,408.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,792.35 : 264,786.85 = 170,512.74 : x
  2. Step 2: Convert to fraction form
    191,792.35/264,786.85 = 170,512.74/x
  3. Step 3: Cross multiply
    191,792.35x = 264,786.85 × 170,512.74
  4. Step 4: Simplify right side
    191,792.35x = 45,149,530,883.19
  5. Step 5: Solve for x
    x = 45,149,530,883.19/191,792.35
  6. Step 6: Final answer
    x = 235,408.41

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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.