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Finding the Fourth Proportional to 273,835.67, 410,800.21 and 122,087.81

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Solution

The fourth proportional to 273,835.67, 410,800.21 and 122,087.81 is: 183,152.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,835.67 : 410,800.21 = 122,087.81 : x
  2. Step 2: Convert to fraction form
    273,835.67/410,800.21 = 122,087.81/x
  3. Step 3: Cross multiply
    273,835.67x = 410,800.21 × 122,087.81
  4. Step 4: Simplify right side
    273,835.67x = 50,153,697,986.44
  5. Step 5: Solve for x
    x = 50,153,697,986.44/273,835.67
  6. Step 6: Final answer
    x = 183,152.54

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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.