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Finding the Fourth Proportional to 264,738.54, 365,342.01 and 143,879.83

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Solution

The fourth proportional to 264,738.54, 365,342.01 and 143,879.83 is: 198,555.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,738.54 : 365,342.01 = 143,879.83 : x
  2. Step 2: Convert to fraction form
    264,738.54/365,342.01 = 143,879.83/x
  3. Step 3: Cross multiply
    264,738.54x = 365,342.01 × 143,879.83
  4. Step 4: Simplify right side
    264,738.54x = 52,565,345,571.26
  5. Step 5: Solve for x
    x = 52,565,345,571.26/264,738.54
  6. Step 6: Final answer
    x = 198,555.70

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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.