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Finding the Fourth Proportional to 184,427.20, 276,640.80 and 168,680.80

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Solution

The fourth proportional to 184,427.20, 276,640.80 and 168,680.80 is: 253,021.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,427.20 : 276,640.80 = 168,680.80 : x
  2. Step 2: Convert to fraction form
    184,427.20/276,640.80 = 168,680.80/x
  3. Step 3: Cross multiply
    184,427.20x = 276,640.80 × 168,680.80
  4. Step 4: Simplify right side
    184,427.20x = 46,663,991,456.64
  5. Step 5: Solve for x
    x = 46,663,991,456.64/184,427.20
  6. Step 6: Final answer
    x = 253,021.20

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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.