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Finding the Fourth Proportional to 273,855.75, 410,835.47 and 126,111.75

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Solution

The fourth proportional to 273,855.75, 410,835.47 and 126,111.75 is: 189,191.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,855.75 : 410,835.47 = 126,111.75 : x
  2. Step 2: Convert to fraction form
    273,855.75/410,835.47 = 126,111.75/x
  3. Step 3: Cross multiply
    273,855.75x = 410,835.47 × 126,111.75
  4. Step 4: Simplify right side
    273,855.75x = 51,811,180,083.77
  5. Step 5: Solve for x
    x = 51,811,180,083.77/273,855.75
  6. Step 6: Final answer
    x = 189,191.50

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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.