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Finding the Fourth Proportional to 273,999.31, 411,049.99 and 96,619.03

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Solution

The fourth proportional to 273,999.31, 411,049.99 and 96,619.03 is: 144,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,999.31 : 411,049.99 = 96,619.03 : x
  2. Step 2: Convert to fraction form
    273,999.31/411,049.99 = 96,619.03/x
  3. Step 3: Cross multiply
    273,999.31x = 411,049.99 × 96,619.03
  4. Step 4: Simplify right side
    273,999.31x = 39,715,250,408.46
  5. Step 5: Solve for x
    x = 39,715,250,408.46/273,999.31
  6. Step 6: Final answer
    x = 144,946.54

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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.