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Finding the Fourth Proportional to 179,969.72, 269,926.83 and 60,028.76

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Solution

The fourth proportional to 179,969.72, 269,926.83 and 60,028.76 is: 90,033.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,969.72 : 269,926.83 = 60,028.76 : x
  2. Step 2: Convert to fraction form
    179,969.72/269,926.83 = 60,028.76/x
  3. Step 3: Cross multiply
    179,969.72x = 269,926.83 × 60,028.76
  4. Step 4: Simplify right side
    179,969.72x = 16,203,373,570.45
  5. Step 5: Solve for x
    x = 16,203,373,570.45/179,969.72
  6. Step 6: Final answer
    x = 90,033.89

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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.