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Finding the Fourth Proportional to 293,388.60, 440,180.10 and 93,739.80

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Solution

The fourth proportional to 293,388.60, 440,180.10 and 93,739.80 is: 140,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,388.60 : 440,180.10 = 93,739.80 : x
  2. Step 2: Convert to fraction form
    293,388.60/440,180.10 = 93,739.80/x
  3. Step 3: Cross multiply
    293,388.60x = 440,180.10 × 93,739.80
  4. Step 4: Simplify right side
    293,388.60x = 41,262,394,537.98
  5. Step 5: Solve for x
    x = 41,262,394,537.98/293,388.60
  6. Step 6: Final answer
    x = 140,640.76

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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.