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Finding the Fourth Proportional to 199,457.56, 276,415.90 and 195,672.70

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Solution

The fourth proportional to 199,457.56, 276,415.90 and 195,672.70 is: 271,170.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,457.56 : 276,415.90 = 195,672.70 : x
  2. Step 2: Convert to fraction form
    199,457.56/276,415.90 = 195,672.70/x
  3. Step 3: Cross multiply
    199,457.56x = 276,415.90 × 195,672.70
  4. Step 4: Simplify right side
    199,457.56x = 54,087,044,093.85
  5. Step 5: Solve for x
    x = 54,087,044,093.85/199,457.56
  6. Step 6: Final answer
    x = 271,170.70

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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.