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Finding the Fourth Proportional to 67,269.44, 100,748.63 and 64,936.64

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Solution

The fourth proportional to 67,269.44, 100,748.63 and 64,936.64 is: 97,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,269.44 : 100,748.63 = 64,936.64 : x
  2. Step 2: Convert to fraction form
    67,269.44/100,748.63 = 64,936.64/x
  3. Step 3: Cross multiply
    67,269.44x = 100,748.63 × 64,936.64
  4. Step 4: Simplify right side
    67,269.44x = 6,542,277,175.40
  5. Step 5: Solve for x
    x = 6,542,277,175.40/67,269.44
  6. Step 6: Final answer
    x = 97,254.83

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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.