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Finding the Fourth Proportional to 179,647.63, 269,472.53 and 46,518.73

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Solution

The fourth proportional to 179,647.63, 269,472.53 and 46,518.73 is: 69,778.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,647.63 : 269,472.53 = 46,518.73 : x
  2. Step 2: Convert to fraction form
    179,647.63/269,472.53 = 46,518.73/x
  3. Step 3: Cross multiply
    179,647.63x = 269,472.53 × 46,518.73
  4. Step 4: Simplify right side
    179,647.63x = 12,535,519,865.49
  5. Step 5: Solve for x
    x = 12,535,519,865.49/179,647.63
  6. Step 6: Final answer
    x = 69,778.38

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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.