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Finding the Fourth Proportional to 271,492.92, 374,694.51 and 178,437.28

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Solution

The fourth proportional to 271,492.92, 374,694.51 and 178,437.28 is: 246,265.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,492.92 : 374,694.51 = 178,437.28 : x
  2. Step 2: Convert to fraction form
    271,492.92/374,694.51 = 178,437.28/x
  3. Step 3: Cross multiply
    271,492.92x = 374,694.51 × 178,437.28
  4. Step 4: Simplify right side
    271,492.92x = 66,859,469,195.33
  5. Step 5: Solve for x
    x = 66,859,469,195.33/271,492.92
  6. Step 6: Final answer
    x = 246,265.98

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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.