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Finding the Fourth Proportional to 121,182.30, 181,767.08 and 36,940.44

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Solution

The fourth proportional to 121,182.30, 181,767.08 and 36,940.44 is: 55,408.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,182.30 : 181,767.08 = 36,940.44 : x
  2. Step 2: Convert to fraction form
    121,182.30/181,767.08 = 36,940.44/x
  3. Step 3: Cross multiply
    121,182.30x = 181,767.08 × 36,940.44
  4. Step 4: Simplify right side
    121,182.30x = 6,714,555,912.72
  5. Step 5: Solve for x
    x = 6,714,555,912.72/121,182.30
  6. Step 6: Final answer
    x = 55,408.72

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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.