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Finding the Fourth Proportional to 67,414.99, 101,135.46 and 25,858.75

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Solution

The fourth proportional to 67,414.99, 101,135.46 and 25,858.75 is: 38,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,414.99 : 101,135.46 = 25,858.75 : x
  2. Step 2: Convert to fraction form
    67,414.99/101,135.46 = 25,858.75/x
  3. Step 3: Cross multiply
    67,414.99x = 101,135.46 × 25,858.75
  4. Step 4: Simplify right side
    67,414.99x = 2,615,236,576.28
  5. Step 5: Solve for x
    x = 2,615,236,576.28/67,414.99
  6. Step 6: Final answer
    x = 38,793.10

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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.