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Finding the Fourth Proportional to 169,375.43, 254,161.57 and 75,881.18

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Solution

The fourth proportional to 169,375.43, 254,161.57 and 75,881.18 is: 113,865.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,375.43 : 254,161.57 = 75,881.18 : x
  2. Step 2: Convert to fraction form
    169,375.43/254,161.57 = 75,881.18/x
  3. Step 3: Cross multiply
    169,375.43x = 254,161.57 × 75,881.18
  4. Step 4: Simplify right side
    169,375.43x = 19,286,079,928.82
  5. Step 5: Solve for x
    x = 19,286,079,928.82/169,375.43
  6. Step 6: Final answer
    x = 113,865.87

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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.