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Finding the Fourth Proportional to 271,469.45, 374,645.56 and 156,752.93

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Solution

The fourth proportional to 271,469.45, 374,645.56 and 156,752.93 is: 216,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,469.45 : 374,645.56 = 156,752.93 : x
  2. Step 2: Convert to fraction form
    271,469.45/374,645.56 = 156,752.93/x
  3. Step 3: Cross multiply
    271,469.45x = 374,645.56 × 156,752.93
  4. Step 4: Simplify right side
    271,469.45x = 58,726,789,786.22
  5. Step 5: Solve for x
    x = 58,726,789,786.22/271,469.45
  6. Step 6: Final answer
    x = 216,329.27

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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.