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Finding the Fourth Proportional to 271,705.41, 374,954.82 and 169,790.09

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Solution

The fourth proportional to 271,705.41, 374,954.82 and 169,790.09 is: 234,311.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,705.41 : 374,954.82 = 169,790.09 : x
  2. Step 2: Convert to fraction form
    271,705.41/374,954.82 = 169,790.09/x
  3. Step 3: Cross multiply
    271,705.41x = 374,954.82 × 169,790.09
  4. Step 4: Simplify right side
    271,705.41x = 63,663,610,758.96
  5. Step 5: Solve for x
    x = 63,663,610,758.96/271,705.41
  6. Step 6: Final answer
    x = 234,311.16

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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.