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Finding the Fourth Proportional to 271,108.80, 406,585.44 and 104,857.92

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Solution

The fourth proportional to 271,108.80, 406,585.44 and 104,857.92 is: 157,256.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,108.80 : 406,585.44 = 104,857.92 : x
  2. Step 2: Convert to fraction form
    271,108.80/406,585.44 = 104,857.92/x
  3. Step 3: Cross multiply
    271,108.80x = 406,585.44 × 104,857.92
  4. Step 4: Simplify right side
    271,108.80x = 42,633,703,540.68
  5. Step 5: Solve for x
    x = 42,633,703,540.68/271,108.80
  6. Step 6: Final answer
    x = 157,256.80

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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.