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Finding the Fourth Proportional to 271,011, 373,834.38 and 163,517.40

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Solution

The fourth proportional to 271,011, 373,834.38 and 163,517.40 is: 225,556.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,011 : 373,834.38 = 163,517.40 : x
  2. Step 2: Convert to fraction form
    271,011/373,834.38 = 163,517.40/x
  3. Step 3: Cross multiply
    271,011x = 373,834.38 × 163,517.40
  4. Step 4: Simplify right side
    271,011x = 61,128,425,848.21
  5. Step 5: Solve for x
    x = 61,128,425,848.21/271,011
  6. Step 6: Final answer
    x = 225,556.99

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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.