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Finding the Fourth Proportional to 237,930.72, 356,929.08 and 80,204.28

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Solution

The fourth proportional to 237,930.72, 356,929.08 and 80,204.28 is: 120,317.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,930.72 : 356,929.08 = 80,204.28 : x
  2. Step 2: Convert to fraction form
    237,930.72/356,929.08 = 80,204.28/x
  3. Step 3: Cross multiply
    237,930.72x = 356,929.08 × 80,204.28
  4. Step 4: Simplify right side
    237,930.72x = 28,627,239,872.46
  5. Step 5: Solve for x
    x = 28,627,239,872.46/237,930.72
  6. Step 6: Final answer
    x = 120,317.54

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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.