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Finding the Fourth Proportional to 167,556.60, 251,407.80 and 84,450.60

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Solution

The fourth proportional to 167,556.60, 251,407.80 and 84,450.60 is: 126,712.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,556.60 : 251,407.80 = 84,450.60 : x
  2. Step 2: Convert to fraction form
    167,556.60/251,407.80 = 84,450.60/x
  3. Step 3: Cross multiply
    167,556.60x = 251,407.80 × 84,450.60
  4. Step 4: Simplify right side
    167,556.60x = 21,231,539,554.68
  5. Step 5: Solve for x
    x = 21,231,539,554.68/167,556.60
  6. Step 6: Final answer
    x = 126,712.64

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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.