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Finding the Fourth Proportional to 159,939.01, 239,942.34 and 60,100.07

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Solution

The fourth proportional to 159,939.01, 239,942.34 and 60,100.07 is: 90,162.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,939.01 : 239,942.34 = 60,100.07 : x
  2. Step 2: Convert to fraction form
    159,939.01/239,942.34 = 60,100.07/x
  3. Step 3: Cross multiply
    159,939.01x = 239,942.34 × 60,100.07
  4. Step 4: Simplify right side
    159,939.01x = 14,420,550,230.25
  5. Step 5: Solve for x
    x = 14,420,550,230.25/159,939.01
  6. Step 6: Final answer
    x = 90,162.81

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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.