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Finding the Fourth Proportional to 252,950.56, 379,474.44 and 112,708.78

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Solution

The fourth proportional to 252,950.56, 379,474.44 and 112,708.78 is: 169,084.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,950.56 : 379,474.44 = 112,708.78 : x
  2. Step 2: Convert to fraction form
    252,950.56/379,474.44 = 112,708.78/x
  3. Step 3: Cross multiply
    252,950.56x = 379,474.44 × 112,708.78
  4. Step 4: Simplify right side
    252,950.56x = 42,770,101,173.58
  5. Step 5: Solve for x
    x = 42,770,101,173.58/252,950.56
  6. Step 6: Final answer
    x = 169,084.83

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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.