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Finding the Fourth Proportional to 67,675.98, 101,550.69 and 28,236.54

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Solution

The fourth proportional to 67,675.98, 101,550.69 and 28,236.54 is: 42,370.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,675.98 : 101,550.69 = 28,236.54 : x
  2. Step 2: Convert to fraction form
    67,675.98/101,550.69 = 28,236.54/x
  3. Step 3: Cross multiply
    67,675.98x = 101,550.69 × 28,236.54
  4. Step 4: Simplify right side
    67,675.98x = 2,867,440,120.21
  5. Step 5: Solve for x
    x = 2,867,440,120.21/67,675.98
  6. Step 6: Final answer
    x = 42,370.13

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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.