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Finding the Fourth Proportional to 222,150, 306,567 and 121,548

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Solution

The fourth proportional to 222,150, 306,567 and 121,548 is: 167,736.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,150 : 306,567 = 121,548 : x
  2. Step 2: Convert to fraction form
    222,150/306,567 = 121,548/x
  3. Step 3: Cross multiply
    222,150x = 306,567 × 121,548
  4. Step 4: Simplify right side
    222,150x = 37,262,605,716
  5. Step 5: Solve for x
    x = 37,262,605,716/222,150
  6. Step 6: Final answer
    x = 167,736.24

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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.