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Finding the Fourth Proportional to 273,991.88, 411,021.04 and 96,462.56

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Solution

The fourth proportional to 273,991.88, 411,021.04 and 96,462.56 is: 144,705.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,991.88 : 411,021.04 = 96,462.56 : x
  2. Step 2: Convert to fraction form
    273,991.88/411,021.04 = 96,462.56/x
  3. Step 3: Cross multiply
    273,991.88x = 411,021.04 × 96,462.56
  4. Step 4: Simplify right side
    273,991.88x = 39,648,141,732.26
  5. Step 5: Solve for x
    x = 39,648,141,732.26/273,991.88
  6. Step 6: Final answer
    x = 144,705.54

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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.