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Finding the Fourth Proportional to 71,689.73, 107,324.30 and 50,268.16

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Solution

The fourth proportional to 71,689.73, 107,324.30 and 50,268.16 is: 75,254.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,689.73 : 107,324.30 = 50,268.16 : x
  2. Step 2: Convert to fraction form
    71,689.73/107,324.30 = 50,268.16/x
  3. Step 3: Cross multiply
    71,689.73x = 107,324.30 × 50,268.16
  4. Step 4: Simplify right side
    71,689.73x = 5,394,995,344.11
  5. Step 5: Solve for x
    x = 5,394,995,344.11/71,689.73
  6. Step 6: Final answer
    x = 75,254.79

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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.