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Finding the Fourth Proportional to 67,272.52, 100,908.80 and 22,903.96

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Solution

The fourth proportional to 67,272.52, 100,908.80 and 22,903.96 is: 34,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,272.52 : 100,908.80 = 22,903.96 : x
  2. Step 2: Convert to fraction form
    67,272.52/100,908.80 = 22,903.96/x
  3. Step 3: Cross multiply
    67,272.52x = 100,908.80 × 22,903.96
  4. Step 4: Simplify right side
    67,272.52x = 2,311,211,118.85
  5. Step 5: Solve for x
    x = 2,311,211,118.85/67,272.52
  6. Step 6: Final answer
    x = 34,355.95

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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.