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Finding the Fourth Proportional to 222,291.57, 306,756.36 and 126,796.26

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Solution

The fourth proportional to 222,291.57, 306,756.36 and 126,796.26 is: 174,975.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,291.57 : 306,756.36 = 126,796.26 : x
  2. Step 2: Convert to fraction form
    222,291.57/306,756.36 = 126,796.26/x
  3. Step 3: Cross multiply
    222,291.57x = 306,756.36 × 126,796.26
  4. Step 4: Simplify right side
    222,291.57x = 38,895,559,179.21
  5. Step 5: Solve for x
    x = 38,895,559,179.21/222,291.57
  6. Step 6: Final answer
    x = 174,975.41

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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.