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Finding the Fourth Proportional to 252,814.56, 379,276.52 and 75,335.86

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Solution

The fourth proportional to 252,814.56, 379,276.52 and 75,335.86 is: 113,020.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,814.56 : 379,276.52 = 75,335.86 : x
  2. Step 2: Convert to fraction form
    252,814.56/379,276.52 = 75,335.86/x
  3. Step 3: Cross multiply
    252,814.56x = 379,276.52 × 75,335.86
  4. Step 4: Simplify right side
    252,814.56x = 28,573,122,435.33
  5. Step 5: Solve for x
    x = 28,573,122,435.33/252,814.56
  6. Step 6: Final answer
    x = 113,020.08

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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.