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Finding the Fourth Proportional to 159,768.67, 239,659.08 and 53,162.14

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Solution

The fourth proportional to 159,768.67, 239,659.08 and 53,162.14 is: 79,745.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,768.67 : 239,659.08 = 53,162.14 : x
  2. Step 2: Convert to fraction form
    159,768.67/239,659.08 = 53,162.14/x
  3. Step 3: Cross multiply
    159,768.67x = 239,659.08 × 53,162.14
  4. Step 4: Simplify right side
    159,768.67x = 12,740,789,563.23
  5. Step 5: Solve for x
    x = 12,740,789,563.23/159,768.67
  6. Step 6: Final answer
    x = 79,745.23

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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.