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Finding the Fourth Proportional to 252,809.62, 379,325.15 and 119,784.82

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Solution

The fourth proportional to 252,809.62, 379,325.15 and 119,784.82 is: 179,729.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,809.62 : 379,325.15 = 119,784.82 : x
  2. Step 2: Convert to fraction form
    252,809.62/379,325.15 = 119,784.82/x
  3. Step 3: Cross multiply
    252,809.62x = 379,325.15 × 119,784.82
  4. Step 4: Simplify right side
    252,809.62x = 45,437,394,814.22
  5. Step 5: Solve for x
    x = 45,437,394,814.22/252,809.62
  6. Step 6: Final answer
    x = 179,729.69

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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.