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Finding the Fourth Proportional to 222,484.36, 307,057.62 and 126,969.16

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Solution

The fourth proportional to 222,484.36, 307,057.62 and 126,969.16 is: 175,234.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,484.36 : 307,057.62 = 126,969.16 : x
  2. Step 2: Convert to fraction form
    222,484.36/307,057.62 = 126,969.16/x
  3. Step 3: Cross multiply
    222,484.36x = 307,057.62 × 126,969.16
  4. Step 4: Simplify right side
    222,484.36x = 38,986,848,083.00
  5. Step 5: Solve for x
    x = 38,986,848,083.00/222,484.36
  6. Step 6: Final answer
    x = 175,234.11

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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.