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Finding the Fourth Proportional to 167,893.77, 251,766.66 and 88,989.78

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Solution

The fourth proportional to 167,893.77, 251,766.66 and 88,989.78 is: 133,445.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,893.77 : 251,766.66 = 88,989.78 : x
  2. Step 2: Convert to fraction form
    167,893.77/251,766.66 = 88,989.78/x
  3. Step 3: Cross multiply
    167,893.77x = 251,766.66 × 88,989.78
  4. Step 4: Simplify right side
    167,893.77x = 22,404,659,684.73
  5. Step 5: Solve for x
    x = 22,404,659,684.73/167,893.77
  6. Step 6: Final answer
    x = 133,445.45

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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.