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Finding the Fourth Proportional to 237,872.80, 356,809.20 and 80,048.80

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Solution

The fourth proportional to 237,872.80, 356,809.20 and 80,048.80 is: 120,073.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,872.80 : 356,809.20 = 80,048.80 : x
  2. Step 2: Convert to fraction form
    237,872.80/356,809.20 = 80,048.80/x
  3. Step 3: Cross multiply
    237,872.80x = 356,809.20 × 80,048.80
  4. Step 4: Simplify right side
    237,872.80x = 28,562,148,288.96
  5. Step 5: Solve for x
    x = 28,562,148,288.96/237,872.80
  6. Step 6: Final answer
    x = 120,073.20

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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.