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Finding the Fourth Proportional to 337,793.85, 506,673.09 and 85,074.21

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Solution

The fourth proportional to 337,793.85, 506,673.09 and 85,074.21 is: 127,606.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,793.85 : 506,673.09 = 85,074.21 : x
  2. Step 2: Convert to fraction form
    337,793.85/506,673.09 = 85,074.21/x
  3. Step 3: Cross multiply
    337,793.85x = 506,673.09 × 85,074.21
  4. Step 4: Simplify right side
    337,793.85x = 43,104,812,860.01
  5. Step 5: Solve for x
    x = 43,104,812,860.01/337,793.85
  6. Step 6: Final answer
    x = 127,606.86

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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.