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Finding the Fourth Proportional to 75,249.64, 103,627.62 and 73,682.92

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Solution

The fourth proportional to 75,249.64, 103,627.62 and 73,682.92 is: 101,470.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,249.64 : 103,627.62 = 73,682.92 : x
  2. Step 2: Convert to fraction form
    75,249.64/103,627.62 = 73,682.92/x
  3. Step 3: Cross multiply
    75,249.64x = 103,627.62 × 73,682.92
  4. Step 4: Simplify right side
    75,249.64x = 7,635,585,634.25
  5. Step 5: Solve for x
    x = 7,635,585,634.25/75,249.64
  6. Step 6: Final answer
    x = 101,470.06

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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.