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Finding the Fourth Proportional to 159,740.52, 239,520.87 and 53,067.38

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Solution

The fourth proportional to 159,740.52, 239,520.87 and 53,067.38 is: 79,571.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,740.52 : 239,520.87 = 53,067.38 : x
  2. Step 2: Convert to fraction form
    159,740.52/239,520.87 = 53,067.38/x
  3. Step 3: Cross multiply
    159,740.52x = 239,520.87 × 53,067.38
  4. Step 4: Simplify right side
    159,740.52x = 12,710,743,828.62
  5. Step 5: Solve for x
    x = 12,710,743,828.62/159,740.52
  6. Step 6: Final answer
    x = 79,571.19

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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.