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Finding the Fourth Proportional to 271,247.70, 374,245.88 and 158,048.58

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Solution

The fourth proportional to 271,247.70, 374,245.88 and 158,048.58 is: 218,062.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,247.70 : 374,245.88 = 158,048.58 : x
  2. Step 2: Convert to fraction form
    271,247.70/374,245.88 = 158,048.58/x
  3. Step 3: Cross multiply
    271,247.70x = 374,245.88 × 158,048.58
  4. Step 4: Simplify right side
    271,247.70x = 59,149,029,114.61
  5. Step 5: Solve for x
    x = 59,149,029,114.61/271,247.70
  6. Step 6: Final answer
    x = 218,062.79

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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.