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Finding the Fourth Proportional to 241,249.44, 332,917.80 and 139,271.46

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Solution

The fourth proportional to 241,249.44, 332,917.80 and 139,271.46 is: 192,190.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    241,249.44 : 332,917.80 = 139,271.46 : x
  2. Step 2: Convert to fraction form
    241,249.44/332,917.80 = 139,271.46/x
  3. Step 3: Cross multiply
    241,249.44x = 332,917.80 × 139,271.46
  4. Step 4: Simplify right side
    241,249.44x = 46,365,948,065.99
  5. Step 5: Solve for x
    x = 46,365,948,065.99/241,249.44
  6. Step 6: Final answer
    x = 192,190.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.