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Finding the Fourth Proportional to 165,611.88, 248,255.82 and 65,738.88

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Solution

The fourth proportional to 165,611.88, 248,255.82 and 65,738.88 is: 98,544.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,611.88 : 248,255.82 = 65,738.88 : x
  2. Step 2: Convert to fraction form
    165,611.88/248,255.82 = 65,738.88/x
  3. Step 3: Cross multiply
    165,611.88x = 248,255.82 × 65,738.88
  4. Step 4: Simplify right side
    165,611.88x = 16,320,059,560.28
  5. Step 5: Solve for x
    x = 16,320,059,560.28/165,611.88
  6. Step 6: Final answer
    x = 98,544.01

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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.