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Finding the Fourth Proportional to 265,190.01, 397,788.77 and 75,650.41

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Solution

The fourth proportional to 265,190.01, 397,788.77 and 75,650.41 is: 113,476.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,190.01 : 397,788.77 = 75,650.41 : x
  2. Step 2: Convert to fraction form
    265,190.01/397,788.77 = 75,650.41/x
  3. Step 3: Cross multiply
    265,190.01x = 397,788.77 × 75,650.41
  4. Step 4: Simplify right side
    265,190.01x = 30,092,883,543.90
  5. Step 5: Solve for x
    x = 30,092,883,543.90/265,190.01
  6. Step 6: Final answer
    x = 113,476.69

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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.