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Finding the Fourth Proportional to 271,910.38, 375,236.05 and 151,063

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Solution

The fourth proportional to 271,910.38, 375,236.05 and 151,063 is: 208,466.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,910.38 : 375,236.05 = 151,063 : x
  2. Step 2: Convert to fraction form
    271,910.38/375,236.05 = 151,063/x
  3. Step 3: Cross multiply
    271,910.38x = 375,236.05 × 151,063
  4. Step 4: Simplify right side
    271,910.38x = 56,684,283,421.15
  5. Step 5: Solve for x
    x = 56,684,283,421.15/271,910.38
  6. Step 6: Final answer
    x = 208,466.79

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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.