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Finding the Fourth Proportional to 167,620.50, 251,461.67 and 55,308.48

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Solution

The fourth proportional to 167,620.50, 251,461.67 and 55,308.48 is: 82,972.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,620.50 : 251,461.67 = 55,308.48 : x
  2. Step 2: Convert to fraction form
    167,620.50/251,461.67 = 55,308.48/x
  3. Step 3: Cross multiply
    167,620.50x = 251,461.67 × 55,308.48
  4. Step 4: Simplify right side
    167,620.50x = 13,907,961,488.65
  5. Step 5: Solve for x
    x = 13,907,961,488.65/167,620.50
  6. Step 6: Final answer
    x = 82,972.92

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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.