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Finding the Fourth Proportional to 159,892.87, 239,817.44 and 47,590.42

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Solution

The fourth proportional to 159,892.87, 239,817.44 and 47,590.42 is: 71,379.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,892.87 : 239,817.44 = 47,590.42 : x
  2. Step 2: Convert to fraction form
    159,892.87/239,817.44 = 47,590.42/x
  3. Step 3: Cross multiply
    159,892.87x = 239,817.44 × 47,590.42
  4. Step 4: Simplify right side
    159,892.87x = 11,413,012,692.92
  5. Step 5: Solve for x
    x = 11,413,012,692.92/159,892.87
  6. Step 6: Final answer
    x = 71,379.12

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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.