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Finding the Fourth Proportional to 112,763.64, 169,144.26 and 33,874.56

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Solution

The fourth proportional to 112,763.64, 169,144.26 and 33,874.56 is: 50,811.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,763.64 : 169,144.26 = 33,874.56 : x
  2. Step 2: Convert to fraction form
    112,763.64/169,144.26 = 33,874.56/x
  3. Step 3: Cross multiply
    112,763.64x = 169,144.26 × 33,874.56
  4. Step 4: Simplify right side
    112,763.64x = 5,729,687,384.03
  5. Step 5: Solve for x
    x = 5,729,687,384.03/112,763.64
  6. Step 6: Final answer
    x = 50,811.48

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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.