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Finding the Fourth Proportional to 67,103.56, 100,672.62 and 25,527.88

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Solution

The fourth proportional to 67,103.56, 100,672.62 and 25,527.88 is: 38,298.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,103.56 : 100,672.62 = 25,527.88 : x
  2. Step 2: Convert to fraction form
    67,103.56/100,672.62 = 25,527.88/x
  3. Step 3: Cross multiply
    67,103.56x = 100,672.62 × 25,527.88
  4. Step 4: Simplify right side
    67,103.56x = 2,569,958,562.65
  5. Step 5: Solve for x
    x = 2,569,958,562.65/67,103.56
  6. Step 6: Final answer
    x = 38,298.39

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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.