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Finding the Fourth Proportional to 75,951, 104,811.30 and 44,137.80

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Solution

The fourth proportional to 75,951, 104,811.30 and 44,137.80 is: 60,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,951 : 104,811.30 = 44,137.80 : x
  2. Step 2: Convert to fraction form
    75,951/104,811.30 = 44,137.80/x
  3. Step 3: Cross multiply
    75,951x = 104,811.30 × 44,137.80
  4. Step 4: Simplify right side
    75,951x = 4,626,140,197.14
  5. Step 5: Solve for x
    x = 4,626,140,197.14/75,951
  6. Step 6: Final answer
    x = 60,909.54

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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.