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Finding the Fourth Proportional to 67,492.35, 101,222.96 and 20,103.14

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Solution

The fourth proportional to 67,492.35, 101,222.96 and 20,103.14 is: 30,150.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,492.35 : 101,222.96 = 20,103.14 : x
  2. Step 2: Convert to fraction form
    67,492.35/101,222.96 = 20,103.14/x
  3. Step 3: Cross multiply
    67,492.35x = 101,222.96 × 20,103.14
  4. Step 4: Simplify right side
    67,492.35x = 2,034,899,336.09
  5. Step 5: Solve for x
    x = 2,034,899,336.09/67,492.35
  6. Step 6: Final answer
    x = 30,150.07

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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.