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Finding the Fourth Proportional to 222,596.91, 307,198.89 and 125,767.26

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Solution

The fourth proportional to 222,596.91, 307,198.89 and 125,767.26 is: 173,567.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,596.91 : 307,198.89 = 125,767.26 : x
  2. Step 2: Convert to fraction form
    222,596.91/307,198.89 = 125,767.26/x
  3. Step 3: Cross multiply
    222,596.91x = 307,198.89 × 125,767.26
  4. Step 4: Simplify right side
    222,596.91x = 38,635,562,670.34
  5. Step 5: Solve for x
    x = 38,635,562,670.34/222,596.91
  6. Step 6: Final answer
    x = 173,567.38

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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.