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Finding the Fourth Proportional to 237,803.80, 356,742.62 and 80,019.96

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Solution

The fourth proportional to 237,803.80, 356,742.62 and 80,019.96 is: 120,042.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,803.80 : 356,742.62 = 80,019.96 : x
  2. Step 2: Convert to fraction form
    237,803.80/356,742.62 = 80,019.96/x
  3. Step 3: Cross multiply
    237,803.80x = 356,742.62 × 80,019.96
  4. Step 4: Simplify right side
    237,803.80x = 28,546,530,182.70
  5. Step 5: Solve for x
    x = 28,546,530,182.70/237,803.80
  6. Step 6: Final answer
    x = 120,042.36

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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.