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Finding the Fourth Proportional to 182,087.67, 273,121.79 and 69,821.67

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Solution

The fourth proportional to 182,087.67, 273,121.79 and 69,821.67 is: 104,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,087.67 : 273,121.79 = 69,821.67 : x
  2. Step 2: Convert to fraction form
    182,087.67/273,121.79 = 69,821.67/x
  3. Step 3: Cross multiply
    182,087.67x = 273,121.79 × 69,821.67
  4. Step 4: Simplify right side
    182,087.67x = 19,069,819,142.08
  5. Step 5: Solve for x
    x = 19,069,819,142.08/182,087.67
  6. Step 6: Final answer
    x = 104,728.78

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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.