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Finding the Fourth Proportional to 271,958.40, 375,249.60 and 158,785.92

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Solution

The fourth proportional to 271,958.40, 375,249.60 and 158,785.92 is: 219,093.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,958.40 : 375,249.60 = 158,785.92 : x
  2. Step 2: Convert to fraction form
    271,958.40/375,249.60 = 158,785.92/x
  3. Step 3: Cross multiply
    271,958.40x = 375,249.60 × 158,785.92
  4. Step 4: Simplify right side
    271,958.40x = 59,584,352,965.63
  5. Step 5: Solve for x
    x = 59,584,352,965.63/271,958.40
  6. Step 6: Final answer
    x = 219,093.63

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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.