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Finding the Fourth Proportional to 179,712.80, 269,520.60 and 53,352.80

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Solution

The fourth proportional to 179,712.80, 269,520.60 and 53,352.80 is: 80,014.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,712.80 : 269,520.60 = 53,352.80 : x
  2. Step 2: Convert to fraction form
    179,712.80/269,520.60 = 53,352.80/x
  3. Step 3: Cross multiply
    179,712.80x = 269,520.60 × 53,352.80
  4. Step 4: Simplify right side
    179,712.80x = 14,379,678,667.68
  5. Step 5: Solve for x
    x = 14,379,678,667.68/179,712.80
  6. Step 6: Final answer
    x = 80,014.77

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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.