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Finding the Fourth Proportional to 179,879.71, 269,772.56 and 53,485.92

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Solution

The fourth proportional to 179,879.71, 269,772.56 and 53,485.92 is: 80,214.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,879.71 : 269,772.56 = 53,485.92 : x
  2. Step 2: Convert to fraction form
    179,879.71/269,772.56 = 53,485.92/x
  3. Step 3: Cross multiply
    179,879.71x = 269,772.56 × 53,485.92
  4. Step 4: Simplify right side
    179,879.71x = 14,429,033,294.93
  5. Step 5: Solve for x
    x = 14,429,033,294.93/179,879.71
  6. Step 6: Final answer
    x = 80,214.90

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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.