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Finding the Fourth Proportional to 237,805.34, 356,703.90 and 80,033.80

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Solution

The fourth proportional to 237,805.34, 356,703.90 and 80,033.80 is: 120,049.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,805.34 : 356,703.90 = 80,033.80 : x
  2. Step 2: Convert to fraction form
    237,805.34/356,703.90 = 80,033.80/x
  3. Step 3: Cross multiply
    237,805.34x = 356,703.90 × 80,033.80
  4. Step 4: Simplify right side
    237,805.34x = 28,548,366,408.13
  5. Step 5: Solve for x
    x = 28,548,366,408.13/237,805.34
  6. Step 6: Final answer
    x = 120,049.31

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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.