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Finding the Fourth Proportional to 222,716.70, 333,629.45 and 133,921.26

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Solution

The fourth proportional to 222,716.70, 333,629.45 and 133,921.26 is: 200,613.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,716.70 : 333,629.45 = 133,921.26 : x
  2. Step 2: Convert to fraction form
    222,716.70/333,629.45 = 133,921.26/x
  3. Step 3: Cross multiply
    222,716.70x = 333,629.45 × 133,921.26
  4. Step 4: Simplify right side
    222,716.70x = 44,680,076,317.11
  5. Step 5: Solve for x
    x = 44,680,076,317.11/222,716.70
  6. Step 6: Final answer
    x = 200,613.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.