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Finding the Fourth Proportional to 67,265.72, 100,884.80 and 25,138.02

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Solution

The fourth proportional to 67,265.72, 100,884.80 and 25,138.02 is: 37,701.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,265.72 : 100,884.80 = 25,138.02 : x
  2. Step 2: Convert to fraction form
    67,265.72/100,884.80 = 25,138.02/x
  3. Step 3: Cross multiply
    67,265.72x = 100,884.80 × 25,138.02
  4. Step 4: Simplify right side
    67,265.72x = 2,536,044,120.10
  5. Step 5: Solve for x
    x = 2,536,044,120.10/67,265.72
  6. Step 6: Final answer
    x = 37,701.88

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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.