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Finding the Fourth Proportional to 167,668.45, 251,449.33 and 55,327.74

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Solution

The fourth proportional to 167,668.45, 251,449.33 and 55,327.74 is: 82,974.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,668.45 : 251,449.33 = 55,327.74 : x
  2. Step 2: Convert to fraction form
    167,668.45/251,449.33 = 55,327.74/x
  3. Step 3: Cross multiply
    167,668.45x = 251,449.33 × 55,327.74
  4. Step 4: Simplify right side
    167,668.45x = 13,912,123,153.41
  5. Step 5: Solve for x
    x = 13,912,123,153.41/167,668.45
  6. Step 6: Final answer
    x = 82,974.01

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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.