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Finding the Fourth Proportional to 263,635, 395,370.72 and 95,133.40

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Solution

The fourth proportional to 263,635, 395,370.72 and 95,133.40 is: 142,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,635 : 395,370.72 = 95,133.40 : x
  2. Step 2: Convert to fraction form
    263,635/395,370.72 = 95,133.40/x
  3. Step 3: Cross multiply
    263,635x = 395,370.72 × 95,133.40
  4. Step 4: Simplify right side
    263,635x = 37,612,960,854.05
  5. Step 5: Solve for x
    x = 37,612,960,854.05/263,635
  6. Step 6: Final answer
    x = 142,670.59

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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.