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Finding the Fourth Proportional to 67,459.96, 101,170.68 and 20,073.04

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Solution

The fourth proportional to 67,459.96, 101,170.68 and 20,073.04 is: 30,103.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,459.96 : 101,170.68 = 20,073.04 : x
  2. Step 2: Convert to fraction form
    67,459.96/101,170.68 = 20,073.04/x
  3. Step 3: Cross multiply
    67,459.96x = 101,170.68 × 20,073.04
  4. Step 4: Simplify right side
    67,459.96x = 2,030,803,106.47
  5. Step 5: Solve for x
    x = 2,030,803,106.47/67,459.96
  6. Step 6: Final answer
    x = 30,103.83

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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.