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Finding the Fourth Proportional to 121,223.36, 181,845.36 and 37,002.44

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Solution

The fourth proportional to 121,223.36, 181,845.36 and 37,002.44 is: 55,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,223.36 : 181,845.36 = 37,002.44 : x
  2. Step 2: Convert to fraction form
    121,223.36/181,845.36 = 37,002.44/x
  3. Step 3: Cross multiply
    121,223.36x = 181,845.36 × 37,002.44
  4. Step 4: Simplify right side
    121,223.36x = 6,728,722,022.68
  5. Step 5: Solve for x
    x = 6,728,722,022.68/121,223.36
  6. Step 6: Final answer
    x = 55,506.81

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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.