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Finding the Fourth Proportional to 222,133.02, 306,550.60 and 121,531.02

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Solution

The fourth proportional to 222,133.02, 306,550.60 and 121,531.02 is: 167,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,133.02 : 306,550.60 = 121,531.02 : x
  2. Step 2: Convert to fraction form
    222,133.02/306,550.60 = 121,531.02/x
  3. Step 3: Cross multiply
    222,133.02x = 306,550.60 × 121,531.02
  4. Step 4: Simplify right side
    222,133.02x = 37,255,407,099.61
  5. Step 5: Solve for x
    x = 37,255,407,099.61/222,133.02
  6. Step 6: Final answer
    x = 167,716.66

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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.