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Finding the Fourth Proportional to 222,425.48, 306,947.33 and 120,451.74

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Solution

The fourth proportional to 222,425.48, 306,947.33 and 120,451.74 is: 166,223.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,425.48 : 306,947.33 = 120,451.74 : x
  2. Step 2: Convert to fraction form
    222,425.48/306,947.33 = 120,451.74/x
  3. Step 3: Cross multiply
    222,425.48x = 306,947.33 × 120,451.74
  4. Step 4: Simplify right side
    222,425.48x = 36,972,339,384.60
  5. Step 5: Solve for x
    x = 36,972,339,384.60/222,425.48
  6. Step 6: Final answer
    x = 166,223.49

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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.