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Finding the Fourth Proportional to 222,475.52, 307,038.22 and 126,996.56

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Solution

The fourth proportional to 222,475.52, 307,038.22 and 126,996.56 is: 175,267.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,475.52 : 307,038.22 = 126,996.56 : x
  2. Step 2: Convert to fraction form
    222,475.52/307,038.22 = 126,996.56/x
  3. Step 3: Cross multiply
    222,475.52x = 307,038.22 × 126,996.56
  4. Step 4: Simplify right side
    222,475.52x = 38,992,797,728.52
  5. Step 5: Solve for x
    x = 38,992,797,728.52/222,475.52
  6. Step 6: Final answer
    x = 175,267.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.