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Finding the Fourth Proportional to 199,457.06, 276,415.21 and 195,672.20

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Solution

The fourth proportional to 199,457.06, 276,415.21 and 195,672.20 is: 271,170.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,457.06 : 276,415.21 = 195,672.20 : x
  2. Step 2: Convert to fraction form
    199,457.06/276,415.21 = 195,672.20/x
  3. Step 3: Cross multiply
    199,457.06x = 276,415.21 × 195,672.20
  4. Step 4: Simplify right side
    199,457.06x = 54,086,769,893.73
  5. Step 5: Solve for x
    x = 54,086,769,893.73/199,457.06
  6. Step 6: Final answer
    x = 271,170.00

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.