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Finding the Fourth Proportional to 179,456.80, 269,136.60 and 53,096.80

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Solution

The fourth proportional to 179,456.80, 269,136.60 and 53,096.80 is: 79,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,456.80 : 269,136.60 = 53,096.80 : x
  2. Step 2: Convert to fraction form
    179,456.80/269,136.60 = 53,096.80/x
  3. Step 3: Cross multiply
    179,456.80x = 269,136.60 × 53,096.80
  4. Step 4: Simplify right side
    179,456.80x = 14,290,292,222.88
  5. Step 5: Solve for x
    x = 14,290,292,222.88/179,456.80
  6. Step 6: Final answer
    x = 79,630.82

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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.