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Finding the Fourth Proportional to 271,074, 374,082.12 and 151,842

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Solution

The fourth proportional to 271,074, 374,082.12 and 151,842 is: 209,541.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,074 : 374,082.12 = 151,842 : x
  2. Step 2: Convert to fraction form
    271,074/374,082.12 = 151,842/x
  3. Step 3: Cross multiply
    271,074x = 374,082.12 × 151,842
  4. Step 4: Simplify right side
    271,074x = 56,801,377,265.04
  5. Step 5: Solve for x
    x = 56,801,377,265.04/271,074
  6. Step 6: Final answer
    x = 209,541.96

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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.