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Finding the Fourth Proportional to 90,593, 125,033.26 and 50,319.80

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Solution

The fourth proportional to 90,593, 125,033.26 and 50,319.80 is: 69,449.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,593 : 125,033.26 = 50,319.80 : x
  2. Step 2: Convert to fraction form
    90,593/125,033.26 = 50,319.80/x
  3. Step 3: Cross multiply
    90,593x = 125,033.26 × 50,319.80
  4. Step 4: Simplify right side
    90,593x = 6,291,648,636.55
  5. Step 5: Solve for x
    x = 6,291,648,636.55/90,593
  6. Step 6: Final answer
    x = 69,449.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.