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Finding the Fourth Proportional to 240,939, 332,500.62 and 140,343.48

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Solution

The fourth proportional to 240,939, 332,500.62 and 140,343.48 is: 193,676.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,939 : 332,500.62 = 140,343.48 : x
  2. Step 2: Convert to fraction form
    240,939/332,500.62 = 140,343.48/x
  3. Step 3: Cross multiply
    240,939x = 332,500.62 × 140,343.48
  4. Step 4: Simplify right side
    240,939x = 46,664,294,112.96
  5. Step 5: Solve for x
    x = 46,664,294,112.96/240,939
  6. Step 6: Final answer
    x = 193,676.80

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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.