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Finding the Fourth Proportional to 254,483.44, 381,745.18 and 67,494.94

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Solution

The fourth proportional to 254,483.44, 381,745.18 and 67,494.94 is: 101,247.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,483.44 : 381,745.18 = 67,494.94 : x
  2. Step 2: Convert to fraction form
    254,483.44/381,745.18 = 67,494.94/x
  3. Step 3: Cross multiply
    254,483.44x = 381,745.18 × 67,494.94
  4. Step 4: Simplify right side
    254,483.44x = 25,765,868,019.39
  5. Step 5: Solve for x
    x = 25,765,868,019.39/254,483.44
  6. Step 6: Final answer
    x = 101,247.72

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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.