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Finding the Fourth Proportional to 167,668.45, 251,449.35 and 55,327.72

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Solution

The fourth proportional to 167,668.45, 251,449.35 and 55,327.72 is: 82,973.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,668.45 : 251,449.35 = 55,327.72 : x
  2. Step 2: Convert to fraction form
    167,668.45/251,449.35 = 55,327.72/x
  3. Step 3: Cross multiply
    167,668.45x = 251,449.35 × 55,327.72
  4. Step 4: Simplify right side
    167,668.45x = 13,912,119,230.98
  5. Step 5: Solve for x
    x = 13,912,119,230.98/167,668.45
  6. Step 6: Final answer
    x = 82,973.98

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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.