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Finding the Fourth Proportional to 179,472.80, 269,160.60 and 53,112.80

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Solution

The fourth proportional to 179,472.80, 269,160.60 and 53,112.80 is: 79,654.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,472.80 : 269,160.60 = 53,112.80 : x
  2. Step 2: Convert to fraction form
    179,472.80/269,160.60 = 53,112.80/x
  3. Step 3: Cross multiply
    179,472.80x = 269,160.60 × 53,112.80
  4. Step 4: Simplify right side
    179,472.80x = 14,295,873,115.68
  5. Step 5: Solve for x
    x = 14,295,873,115.68/179,472.80
  6. Step 6: Final answer
    x = 79,654.82

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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.