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Finding the Fourth Proportional to 271,273.08, 406,826.48 and 187,571.12

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Solution

The fourth proportional to 271,273.08, 406,826.48 and 187,571.12 is: 281,299.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,273.08 : 406,826.48 = 187,571.12 : x
  2. Step 2: Convert to fraction form
    271,273.08/406,826.48 = 187,571.12/x
  3. Step 3: Cross multiply
    271,273.08x = 406,826.48 × 187,571.12
  4. Step 4: Simplify right side
    271,273.08x = 76,308,898,499.26
  5. Step 5: Solve for x
    x = 76,308,898,499.26/271,273.08
  6. Step 6: Final answer
    x = 281,299.19

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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.