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Finding the Fourth Proportional to 67,445.00, 101,167.43 and 20,059.90

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Solution

The fourth proportional to 67,445.00, 101,167.43 and 20,059.90 is: 30,089.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,445.00 : 101,167.43 = 20,059.90 : x
  2. Step 2: Convert to fraction form
    67,445.00/101,167.43 = 20,059.90/x
  3. Step 3: Cross multiply
    67,445.00x = 101,167.43 × 20,059.90
  4. Step 4: Simplify right side
    67,445.00x = 2,029,408,175.84
  5. Step 5: Solve for x
    x = 2,029,408,175.84/67,445.00
  6. Step 6: Final answer
    x = 30,089.83

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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.