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Finding the Fourth Proportional to 75,335.88, 103,982.32 and 43,523.24

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Solution

The fourth proportional to 75,335.88, 103,982.32 and 43,523.24 is: 60,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,335.88 : 103,982.32 = 43,523.24 : x
  2. Step 2: Convert to fraction form
    75,335.88/103,982.32 = 43,523.24/x
  3. Step 3: Cross multiply
    75,335.88x = 103,982.32 × 43,523.24
  4. Step 4: Simplify right side
    75,335.88x = 4,525,647,469.12
  5. Step 5: Solve for x
    x = 4,525,647,469.12/75,335.88
  6. Step 6: Final answer
    x = 60,072.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.