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Finding the Fourth Proportional to 337,132.81, 505,773.09 and 126,770.77

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Solution

The fourth proportional to 337,132.81, 505,773.09 and 126,770.77 is: 190,183.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,132.81 : 505,773.09 = 126,770.77 : x
  2. Step 2: Convert to fraction form
    337,132.81/505,773.09 = 126,770.77/x
  3. Step 3: Cross multiply
    337,132.81x = 505,773.09 × 126,770.77
  4. Step 4: Simplify right side
    337,132.81x = 64,117,244,064.58
  5. Step 5: Solve for x
    x = 64,117,244,064.58/337,132.81
  6. Step 6: Final answer
    x = 190,183.93

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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.