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Finding the Fourth Proportional to 122,184.61, 183,305.60 and 37,940.42

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Solution

The fourth proportional to 122,184.61, 183,305.60 and 37,940.42 is: 56,919.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,184.61 : 183,305.60 = 37,940.42 : x
  2. Step 2: Convert to fraction form
    122,184.61/183,305.60 = 37,940.42/x
  3. Step 3: Cross multiply
    122,184.61x = 183,305.60 × 37,940.42
  4. Step 4: Simplify right side
    122,184.61x = 6,954,691,452.35
  5. Step 5: Solve for x
    x = 6,954,691,452.35/122,184.61
  6. Step 6: Final answer
    x = 56,919.54

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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.