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Finding the Fourth Proportional to 222,228.52, 306,682.68 and 121,626.52

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Solution

The fourth proportional to 222,228.52, 306,682.68 and 121,626.52 is: 167,848.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,228.52 : 306,682.68 = 121,626.52 : x
  2. Step 2: Convert to fraction form
    222,228.52/306,682.68 = 121,626.52/x
  3. Step 3: Cross multiply
    222,228.52x = 306,682.68 × 121,626.52
  4. Step 4: Simplify right side
    222,228.52x = 37,300,747,112.67
  5. Step 5: Solve for x
    x = 37,300,747,112.67/222,228.52
  6. Step 6: Final answer
    x = 167,848.61

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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.