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Finding the Fourth Proportional to 258,027.92, 356,076.06 and 144,849.86

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Solution

The fourth proportional to 258,027.92, 356,076.06 and 144,849.86 is: 199,891.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,027.92 : 356,076.06 = 144,849.86 : x
  2. Step 2: Convert to fraction form
    258,027.92/356,076.06 = 144,849.86/x
  3. Step 3: Cross multiply
    258,027.92x = 356,076.06 × 144,849.86
  4. Step 4: Simplify right side
    258,027.92x = 51,577,567,440.35
  5. Step 5: Solve for x
    x = 51,577,567,440.35/258,027.92
  6. Step 6: Final answer
    x = 199,891.42

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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.