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Finding the Fourth Proportional to 159,481.98, 239,058.81 and 70,777.26

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Solution

The fourth proportional to 159,481.98, 239,058.81 and 70,777.26 is: 106,093.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,481.98 : 239,058.81 = 70,777.26 : x
  2. Step 2: Convert to fraction form
    159,481.98/239,058.81 = 70,777.26/x
  3. Step 3: Cross multiply
    159,481.98x = 239,058.81 × 70,777.26
  4. Step 4: Simplify right side
    159,481.98x = 16,919,927,550.66
  5. Step 5: Solve for x
    x = 16,919,927,550.66/159,481.98
  6. Step 6: Final answer
    x = 106,093.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.