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Finding the Fourth Proportional to 143,262.98, 214,894.23 and 38,081.94

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Solution

The fourth proportional to 143,262.98, 214,894.23 and 38,081.94 is: 57,122.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,262.98 : 214,894.23 = 38,081.94 : x
  2. Step 2: Convert to fraction form
    143,262.98/214,894.23 = 38,081.94/x
  3. Step 3: Cross multiply
    143,262.98x = 214,894.23 × 38,081.94
  4. Step 4: Simplify right side
    143,262.98x = 8,183,589,173.21
  5. Step 5: Solve for x
    x = 8,183,589,173.21/143,262.98
  6. Step 6: Final answer
    x = 57,122.85

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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.