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Finding the Fourth Proportional to 194,604.80, 268,562.59 and 122,958.68

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Solution

The fourth proportional to 194,604.80, 268,562.59 and 122,958.68 is: 169,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,604.80 : 268,562.59 = 122,958.68 : x
  2. Step 2: Convert to fraction form
    194,604.80/268,562.59 = 122,958.68/x
  3. Step 3: Cross multiply
    194,604.80x = 268,562.59 × 122,958.68
  4. Step 4: Simplify right side
    194,604.80x = 33,022,099,913.57
  5. Step 5: Solve for x
    x = 33,022,099,913.57/194,604.80
  6. Step 6: Final answer
    x = 169,688.01

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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.