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Finding the Fourth Proportional to 167,590.80, 251,313.30 and 55,227.60

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Solution

The fourth proportional to 167,590.80, 251,313.30 and 55,227.60 is: 82,817.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,590.80 : 251,313.30 = 55,227.60 : x
  2. Step 2: Convert to fraction form
    167,590.80/251,313.30 = 55,227.60/x
  3. Step 3: Cross multiply
    167,590.80x = 251,313.30 × 55,227.60
  4. Step 4: Simplify right side
    167,590.80x = 13,879,430,407.08
  5. Step 5: Solve for x
    x = 13,879,430,407.08/167,590.80
  6. Step 6: Final answer
    x = 82,817.38

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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.