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Finding the Fourth Proportional to 222,608.72, 307,154.76 and 131,924.78

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Solution

The fourth proportional to 222,608.72, 307,154.76 and 131,924.78 is: 182,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,608.72 : 307,154.76 = 131,924.78 : x
  2. Step 2: Convert to fraction form
    222,608.72/307,154.76 = 131,924.78/x
  3. Step 3: Cross multiply
    222,608.72x = 307,154.76 × 131,924.78
  4. Step 4: Simplify right side
    222,608.72x = 40,521,324,138.95
  5. Step 5: Solve for x
    x = 40,521,324,138.95/222,608.72
  6. Step 6: Final answer
    x = 182,029.37

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.