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Finding the Fourth Proportional to 254,997.45, 351,908.39 and 147,546.71

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Solution

The fourth proportional to 254,997.45, 351,908.39 and 147,546.71 is: 203,621.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,997.45 : 351,908.39 = 147,546.71 : x
  2. Step 2: Convert to fraction form
    254,997.45/351,908.39 = 147,546.71/x
  3. Step 3: Cross multiply
    254,997.45x = 351,908.39 × 147,546.71
  4. Step 4: Simplify right side
    254,997.45x = 51,922,922,668.62
  5. Step 5: Solve for x
    x = 51,922,922,668.62/254,997.45
  6. Step 6: Final answer
    x = 203,621.34

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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.