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Finding the Fourth Proportional to 252,709.56, 379,122.66 and 134,494.92

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Solution

The fourth proportional to 252,709.56, 379,122.66 and 134,494.92 is: 201,773.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,709.56 : 379,122.66 = 134,494.92 : x
  2. Step 2: Convert to fraction form
    252,709.56/379,122.66 = 134,494.92/x
  3. Step 3: Cross multiply
    252,709.56x = 379,122.66 × 134,494.92
  4. Step 4: Simplify right side
    252,709.56x = 50,990,071,826.89
  5. Step 5: Solve for x
    x = 50,990,071,826.89/252,709.56
  6. Step 6: Final answer
    x = 201,773.42

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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.