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Finding the Fourth Proportional to 73,254.21, 109,899.74 and 33,839.21

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Solution

The fourth proportional to 73,254.21, 109,899.74 and 33,839.21 is: 50,767.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,254.21 : 109,899.74 = 33,839.21 : x
  2. Step 2: Convert to fraction form
    73,254.21/109,899.74 = 33,839.21/x
  3. Step 3: Cross multiply
    73,254.21x = 109,899.74 × 33,839.21
  4. Step 4: Simplify right side
    73,254.21x = 3,718,920,380.81
  5. Step 5: Solve for x
    x = 3,718,920,380.81/73,254.21
  6. Step 6: Final answer
    x = 50,767.33

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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.