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Finding the Fourth Proportional to 179,879.63, 269,772.41 and 53,485.83

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Solution

The fourth proportional to 179,879.63, 269,772.41 and 53,485.83 is: 80,214.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,879.63 : 269,772.41 = 53,485.83 : x
  2. Step 2: Convert to fraction form
    179,879.63/269,772.41 = 53,485.83/x
  3. Step 3: Cross multiply
    179,879.63x = 269,772.41 × 53,485.83
  4. Step 4: Simplify right side
    179,879.63x = 14,429,000,992.52
  5. Step 5: Solve for x
    x = 14,429,000,992.52/179,879.63
  6. Step 6: Final answer
    x = 80,214.76

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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.