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Finding the Fourth Proportional to 67,671.42, 101,390.46 and 44,861.28

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Solution

The fourth proportional to 67,671.42, 101,390.46 and 44,861.28 is: 67,214.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,671.42 : 101,390.46 = 44,861.28 : x
  2. Step 2: Convert to fraction form
    67,671.42/101,390.46 = 44,861.28/x
  3. Step 3: Cross multiply
    67,671.42x = 101,390.46 × 44,861.28
  4. Step 4: Simplify right side
    67,671.42x = 4,548,505,815.39
  5. Step 5: Solve for x
    x = 4,548,505,815.39/67,671.42
  6. Step 6: Final answer
    x = 67,214.58

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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.