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Finding the Fourth Proportional to 122,814.99, 184,183.29 and 47,916.90

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Solution

The fourth proportional to 122,814.99, 184,183.29 and 47,916.90 is: 71,860.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,814.99 : 184,183.29 = 47,916.90 : x
  2. Step 2: Convert to fraction form
    122,814.99/184,183.29 = 47,916.90/x
  3. Step 3: Cross multiply
    122,814.99x = 184,183.29 × 47,916.90
  4. Step 4: Simplify right side
    122,814.99x = 8,825,492,288.60
  5. Step 5: Solve for x
    x = 8,825,492,288.60/122,814.99
  6. Step 6: Final answer
    x = 71,860.06

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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.