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Finding the Fourth Proportional to 263,880.28, 395,920.05 and 158,773.06

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Solution

The fourth proportional to 263,880.28, 395,920.05 and 158,773.06 is: 238,219.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,880.28 : 395,920.05 = 158,773.06 : x
  2. Step 2: Convert to fraction form
    263,880.28/395,920.05 = 158,773.06/x
  3. Step 3: Cross multiply
    263,880.28x = 395,920.05 × 158,773.06
  4. Step 4: Simplify right side
    263,880.28x = 62,861,437,853.85
  5. Step 5: Solve for x
    x = 62,861,437,853.85/263,880.28
  6. Step 6: Final answer
    x = 238,219.54

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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.