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Finding the Fourth Proportional to 167,999.85, 251,912.30 and 79,229.52

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Solution

The fourth proportional to 167,999.85, 251,912.30 and 79,229.52 is: 118,803.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,999.85 : 251,912.30 = 79,229.52 : x
  2. Step 2: Convert to fraction form
    167,999.85/251,912.30 = 79,229.52/x
  3. Step 3: Cross multiply
    167,999.85x = 251,912.30 × 79,229.52
  4. Step 4: Simplify right side
    167,999.85x = 19,958,890,214.95
  5. Step 5: Solve for x
    x = 19,958,890,214.95/167,999.85
  6. Step 6: Final answer
    x = 118,803.02

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1.5x scale

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.