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Finding the Fourth Proportional to 167,627.88, 251,388.36 and 55,281.96

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Solution

The fourth proportional to 167,627.88, 251,388.36 and 55,281.96 is: 82,905.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,627.88 : 251,388.36 = 55,281.96 : x
  2. Step 2: Convert to fraction form
    167,627.88/251,388.36 = 55,281.96/x
  3. Step 3: Cross multiply
    167,627.88x = 251,388.36 × 55,281.96
  4. Step 4: Simplify right side
    167,627.88x = 13,897,241,261.99
  5. Step 5: Solve for x
    x = 13,897,241,261.99/167,627.88
  6. Step 6: Final answer
    x = 82,905.31

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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.