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Finding the Fourth Proportional to 271,082.51, 374,103.52 and 163,631.55

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Solution

The fourth proportional to 271,082.51, 374,103.52 and 163,631.55 is: 225,817.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,082.51 : 374,103.52 = 163,631.55 : x
  2. Step 2: Convert to fraction form
    271,082.51/374,103.52 = 163,631.55/x
  3. Step 3: Cross multiply
    271,082.51x = 374,103.52 × 163,631.55
  4. Step 4: Simplify right side
    271,082.51x = 61,215,138,428.98
  5. Step 5: Solve for x
    x = 61,215,138,428.98/271,082.51
  6. Step 6: Final answer
    x = 225,817.37

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1.5x scale

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.