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Finding the Fourth Proportional to 222,229.02, 306,683.37 and 121,627.02

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Solution

The fourth proportional to 222,229.02, 306,683.37 and 121,627.02 is: 167,849.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,229.02 : 306,683.37 = 121,627.02 : x
  2. Step 2: Convert to fraction form
    222,229.02/306,683.37 = 121,627.02/x
  3. Step 3: Cross multiply
    222,229.02x = 306,683.37 × 121,627.02
  4. Step 4: Simplify right side
    222,229.02x = 37,300,984,376.66
  5. Step 5: Solve for x
    x = 37,300,984,376.66/222,229.02
  6. Step 6: Final answer
    x = 167,849.30

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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.