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Finding the Fourth Proportional to 222,333.36, 306,791.52 and 126,834.48

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Solution

The fourth proportional to 222,333.36, 306,791.52 and 126,834.48 is: 175,015.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,333.36 : 306,791.52 = 126,834.48 : x
  2. Step 2: Convert to fraction form
    222,333.36/306,791.52 = 126,834.48/x
  3. Step 3: Cross multiply
    222,333.36x = 306,791.52 × 126,834.48
  4. Step 4: Simplify right side
    222,333.36x = 38,911,742,907.61
  5. Step 5: Solve for x
    x = 38,911,742,907.61/222,333.36
  6. Step 6: Final answer
    x = 175,015.31

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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.