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Finding the Fourth Proportional to 67,161.74, 100,742.00 and 25,040.39

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Solution

The fourth proportional to 67,161.74, 100,742.00 and 25,040.39 is: 37,560.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,161.74 : 100,742.00 = 25,040.39 : x
  2. Step 2: Convert to fraction form
    67,161.74/100,742.00 = 25,040.39/x
  3. Step 3: Cross multiply
    67,161.74x = 100,742.00 × 25,040.39
  4. Step 4: Simplify right side
    67,161.74x = 2,522,618,340.47
  5. Step 5: Solve for x
    x = 2,522,618,340.47/67,161.74
  6. Step 6: Final answer
    x = 37,560.35

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1.5x scale

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.