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Finding the Fourth Proportional to 179,003.68, 268,622.32 and 66,773.68

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Solution

The fourth proportional to 179,003.68, 268,622.32 and 66,773.68 is: 100,204.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,003.68 : 268,622.32 = 66,773.68 : x
  2. Step 2: Convert to fraction form
    179,003.68/268,622.32 = 66,773.68/x
  3. Step 3: Cross multiply
    179,003.68x = 268,622.32 × 66,773.68
  4. Step 4: Simplify right side
    179,003.68x = 17,936,900,836.54
  5. Step 5: Solve for x
    x = 17,936,900,836.54/179,003.68
  6. Step 6: Final answer
    x = 100,204.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.