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Finding the Fourth Proportional to 222,627.80, 333,104.16 and 136,940.60

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Solution

The fourth proportional to 222,627.80, 333,104.16 and 136,940.60 is: 204,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,627.80 : 333,104.16 = 136,940.60 : x
  2. Step 2: Convert to fraction form
    222,627.80/333,104.16 = 136,940.60/x
  3. Step 3: Cross multiply
    222,627.80x = 333,104.16 × 136,940.60
  4. Step 4: Simplify right side
    222,627.80x = 45,615,483,532.90
  5. Step 5: Solve for x
    x = 45,615,483,532.90/222,627.80
  6. Step 6: Final answer
    x = 204,895.72

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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.