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Finding the Fourth Proportional to 223,286.96, 308,080.44 and 132,604.88

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Solution

The fourth proportional to 223,286.96, 308,080.44 and 132,604.88 is: 182,961.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,286.96 : 308,080.44 = 132,604.88 : x
  2. Step 2: Convert to fraction form
    223,286.96/308,080.44 = 132,604.88/x
  3. Step 3: Cross multiply
    223,286.96x = 308,080.44 × 132,604.88
  4. Step 4: Simplify right side
    223,286.96x = 40,852,969,776.55
  5. Step 5: Solve for x
    x = 40,852,969,776.55/223,286.96
  6. Step 6: Final answer
    x = 182,961.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.