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Finding the Fourth Proportional to 159,682.89, 239,542.83 and 53,076.36

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Solution

The fourth proportional to 159,682.89, 239,542.83 and 53,076.36 is: 79,620.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,682.89 : 239,542.83 = 53,076.36 : x
  2. Step 2: Convert to fraction form
    159,682.89/239,542.83 = 53,076.36/x
  3. Step 3: Cross multiply
    159,682.89x = 239,542.83 × 53,076.36
  4. Step 4: Simplify right side
    159,682.89x = 12,714,061,480.50
  5. Step 5: Solve for x
    x = 12,714,061,480.50/159,682.89
  6. Step 6: Final answer
    x = 79,620.69

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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.