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Finding the Fourth Proportional to 337,199.49, 505,990.53 and 123,939.66

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Solution

The fourth proportional to 337,199.49, 505,990.53 and 123,939.66 is: 185,979.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,199.49 : 505,990.53 = 123,939.66 : x
  2. Step 2: Convert to fraction form
    337,199.49/505,990.53 = 123,939.66/x
  3. Step 3: Cross multiply
    337,199.49x = 505,990.53 × 123,939.66
  4. Step 4: Simplify right side
    337,199.49x = 62,712,294,251.42
  5. Step 5: Solve for x
    x = 62,712,294,251.42/337,199.49
  6. Step 6: Final answer
    x = 185,979.80

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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.