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Finding the Fourth Proportional to 252,933, 379,586.40 and 119,813.80

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Solution

The fourth proportional to 252,933, 379,586.40 and 119,813.80 is: 179,809.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,933 : 379,586.40 = 119,813.80 : x
  2. Step 2: Convert to fraction form
    252,933/379,586.40 = 119,813.80/x
  3. Step 3: Cross multiply
    252,933x = 379,586.40 × 119,813.80
  4. Step 4: Simplify right side
    252,933x = 45,479,689,012.32
  5. Step 5: Solve for x
    x = 45,479,689,012.32/252,933
  6. Step 6: Final answer
    x = 179,809.23

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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.