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Finding the Fourth Proportional to 62,219.68, 85,861.02 and 35,361.72

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Solution

The fourth proportional to 62,219.68, 85,861.02 and 35,361.72 is: 48,797.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,219.68 : 85,861.02 = 35,361.72 : x
  2. Step 2: Convert to fraction form
    62,219.68/85,861.02 = 35,361.72/x
  3. Step 3: Cross multiply
    62,219.68x = 85,861.02 × 35,361.72
  4. Step 4: Simplify right side
    62,219.68x = 3,036,193,348.15
  5. Step 5: Solve for x
    x = 3,036,193,348.15/62,219.68
  6. Step 6: Final answer
    x = 48,797.96

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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.