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Finding the Fourth Proportional to 122,859.42, 184,288.99 and 38,626.94

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Solution

The fourth proportional to 122,859.42, 184,288.99 and 38,626.94 is: 57,940.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,859.42 : 184,288.99 = 38,626.94 : x
  2. Step 2: Convert to fraction form
    122,859.42/184,288.99 = 38,626.94/x
  3. Step 3: Cross multiply
    122,859.42x = 184,288.99 × 38,626.94
  4. Step 4: Simplify right side
    122,859.42x = 7,118,519,759.39
  5. Step 5: Solve for x
    x = 7,118,519,759.39/122,859.42
  6. Step 6: Final answer
    x = 57,940.37

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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.