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Finding the Fourth Proportional to 67,101.65, 100,674.35 and 33,819.16

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Solution

The fourth proportional to 67,101.65, 100,674.35 and 33,819.16 is: 50,739.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,101.65 : 100,674.35 = 33,819.16 : x
  2. Step 2: Convert to fraction form
    67,101.65/100,674.35 = 33,819.16/x
  3. Step 3: Cross multiply
    67,101.65x = 100,674.35 × 33,819.16
  4. Step 4: Simplify right side
    67,101.65x = 3,404,721,656.59
  5. Step 5: Solve for x
    x = 3,404,721,656.59/67,101.65
  6. Step 6: Final answer
    x = 50,739.76

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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.