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Finding the Fourth Proportional to 222,425.44, 306,950.16 and 121,824.16

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Solution

The fourth proportional to 222,425.44, 306,950.16 and 121,824.16 is: 168,119.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,425.44 : 306,950.16 = 121,824.16 : x
  2. Step 2: Convert to fraction form
    222,425.44/306,950.16 = 121,824.16/x
  3. Step 3: Cross multiply
    222,425.44x = 306,950.16 × 121,824.16
  4. Step 4: Simplify right side
    222,425.44x = 37,393,945,403.87
  5. Step 5: Solve for x
    x = 37,393,945,403.87/222,425.44
  6. Step 6: Final answer
    x = 168,119.01

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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.