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Finding the Fourth Proportional to 271,699.53, 407,418.21 and 113,885.61

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Solution

The fourth proportional to 271,699.53, 407,418.21 and 113,885.61 is: 170,773.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,699.53 : 407,418.21 = 113,885.61 : x
  2. Step 2: Convert to fraction form
    271,699.53/407,418.21 = 113,885.61/x
  3. Step 3: Cross multiply
    271,699.53x = 407,418.21 × 113,885.61
  4. Step 4: Simplify right side
    271,699.53x = 46,399,071,370.96
  5. Step 5: Solve for x
    x = 46,399,071,370.96/271,699.53
  6. Step 6: Final answer
    x = 170,773.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.