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Finding the Fourth Proportional to 271,890.52, 375,219.44 and 151,040.96

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Solution

The fourth proportional to 271,890.52, 375,219.44 and 151,040.96 is: 208,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,890.52 : 375,219.44 = 151,040.96 : x
  2. Step 2: Convert to fraction form
    271,890.52/375,219.44 = 151,040.96/x
  3. Step 3: Cross multiply
    271,890.52x = 375,219.44 × 151,040.96
  4. Step 4: Simplify right side
    271,890.52x = 56,673,504,428.26
  5. Step 5: Solve for x
    x = 56,673,504,428.26/271,890.52
  6. Step 6: Final answer
    x = 208,442.37

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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.