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Finding the Fourth Proportional to 67,483.12, 101,286.12 and 35,919.70

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Solution

The fourth proportional to 67,483.12, 101,286.12 and 35,919.70 is: 53,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,483.12 : 101,286.12 = 35,919.70 : x
  2. Step 2: Convert to fraction form
    67,483.12/101,286.12 = 35,919.70/x
  3. Step 3: Cross multiply
    67,483.12x = 101,286.12 × 35,919.70
  4. Step 4: Simplify right side
    67,483.12x = 3,638,167,044.56
  5. Step 5: Solve for x
    x = 3,638,167,044.56/67,483.12
  6. Step 6: Final answer
    x = 53,912.25

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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.