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Finding the Fourth Proportional to 271,622.80, 374,821.78 and 150,758.28

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Solution

The fourth proportional to 271,622.80, 374,821.78 and 150,758.28 is: 208,036.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,622.80 : 374,821.78 = 150,758.28 : x
  2. Step 2: Convert to fraction form
    271,622.80/374,821.78 = 150,758.28/x
  3. Step 3: Cross multiply
    271,622.80x = 374,821.78 × 150,758.28
  4. Step 4: Simplify right side
    271,622.80x = 56,507,486,859.34
  5. Step 5: Solve for x
    x = 56,507,486,859.34/271,622.80
  6. Step 6: Final answer
    x = 208,036.61

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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.