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Finding the Fourth Proportional to 167,505.34, 251,296.88 and 55,181.54

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Solution

The fourth proportional to 167,505.34, 251,296.88 and 55,181.54 is: 82,785.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,505.34 : 251,296.88 = 55,181.54 : x
  2. Step 2: Convert to fraction form
    167,505.34/251,296.88 = 55,181.54/x
  3. Step 3: Cross multiply
    167,505.34x = 251,296.88 × 55,181.54
  4. Step 4: Simplify right side
    167,505.34x = 13,866,948,835.60
  5. Step 5: Solve for x
    x = 13,866,948,835.60/167,505.34
  6. Step 6: Final answer
    x = 82,785.12

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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.