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Finding the Fourth Proportional to 342,104.96, 472,103.66 and 191,201.96

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Solution

The fourth proportional to 342,104.96, 472,103.66 and 191,201.96 is: 263,858.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,104.96 : 472,103.66 = 191,201.96 : x
  2. Step 2: Convert to fraction form
    342,104.96/472,103.66 = 191,201.96/x
  3. Step 3: Cross multiply
    342,104.96x = 472,103.66 × 191,201.96
  4. Step 4: Simplify right side
    342,104.96x = 90,267,145,115.17
  5. Step 5: Solve for x
    x = 90,267,145,115.17/342,104.96
  6. Step 6: Final answer
    x = 263,858.04

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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.