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Finding the Fourth Proportional to 67,207.68, 100,753.20 and 33,899.94

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Solution

The fourth proportional to 67,207.68, 100,753.20 and 33,899.94 is: 50,820.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,207.68 : 100,753.20 = 33,899.94 : x
  2. Step 2: Convert to fraction form
    67,207.68/100,753.20 = 33,899.94/x
  3. Step 3: Cross multiply
    67,207.68x = 100,753.20 × 33,899.94
  4. Step 4: Simplify right side
    67,207.68x = 3,415,527,434.81
  5. Step 5: Solve for x
    x = 3,415,527,434.81/67,207.68
  6. Step 6: Final answer
    x = 50,820.49

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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.