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Finding the Fourth Proportional to 67,223.36, 100,835.04 and 25,674.56

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Solution

The fourth proportional to 67,223.36, 100,835.04 and 25,674.56 is: 38,511.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,223.36 : 100,835.04 = 25,674.56 : x
  2. Step 2: Convert to fraction form
    67,223.36/100,835.04 = 25,674.56/x
  3. Step 3: Cross multiply
    67,223.36x = 100,835.04 × 25,674.56
  4. Step 4: Simplify right side
    67,223.36x = 2,588,895,284.58
  5. Step 5: Solve for x
    x = 2,588,895,284.58/67,223.36
  6. Step 6: Final answer
    x = 38,511.84

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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.