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Finding the Fourth Proportional to 194,620.68, 268,580.61 and 109,721.34

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Solution

The fourth proportional to 194,620.68, 268,580.61 and 109,721.34 is: 151,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,620.68 : 268,580.61 = 109,721.34 : x
  2. Step 2: Convert to fraction form
    194,620.68/268,580.61 = 109,721.34/x
  3. Step 3: Cross multiply
    194,620.68x = 268,580.61 × 109,721.34
  4. Step 4: Simplify right side
    194,620.68x = 29,469,024,427.22
  5. Step 5: Solve for x
    x = 29,469,024,427.22/194,620.68
  6. Step 6: Final answer
    x = 151,417.74

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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.