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Finding the Fourth Proportional to 67,297.42, 100,816.78 and 37,625.28

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Solution

The fourth proportional to 67,297.42, 100,816.78 and 37,625.28 is: 56,365.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,297.42 : 100,816.78 = 37,625.28 : x
  2. Step 2: Convert to fraction form
    67,297.42/100,816.78 = 37,625.28/x
  3. Step 3: Cross multiply
    67,297.42x = 100,816.78 × 37,625.28
  4. Step 4: Simplify right side
    67,297.42x = 3,793,259,576.20
  5. Step 5: Solve for x
    x = 3,793,259,576.20/67,297.42
  6. Step 6: Final answer
    x = 56,365.60

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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.