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Finding the Fourth Proportional to 120,976.14, 166,944.96 and 67,254.24

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Solution

The fourth proportional to 120,976.14, 166,944.96 and 67,254.24 is: 92,809.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,976.14 : 166,944.96 = 67,254.24 : x
  2. Step 2: Convert to fraction form
    120,976.14/166,944.96 = 67,254.24/x
  3. Step 3: Cross multiply
    120,976.14x = 166,944.96 × 67,254.24
  4. Step 4: Simplify right side
    120,976.14x = 11,227,756,406.63
  5. Step 5: Solve for x
    x = 11,227,756,406.63/120,976.14
  6. Step 6: Final answer
    x = 92,809.68

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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.