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Finding the Fourth Proportional to 271,072.90, 374,082.80 and 150,216.20

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Solution

The fourth proportional to 271,072.90, 374,082.80 and 150,216.20 is: 207,299.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,072.90 : 374,082.80 = 150,216.20 : x
  2. Step 2: Convert to fraction form
    271,072.90/374,082.80 = 150,216.20/x
  3. Step 3: Cross multiply
    271,072.90x = 374,082.80 × 150,216.20
  4. Step 4: Simplify right side
    271,072.90x = 56,193,296,701.36
  5. Step 5: Solve for x
    x = 56,193,296,701.36/271,072.90
  6. Step 6: Final answer
    x = 207,299.57

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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.