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Finding the Fourth Proportional to 271,082.76, 374,084.16 and 156,366.14

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Solution

The fourth proportional to 271,082.76, 374,084.16 and 156,366.14 is: 215,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,082.76 : 374,084.16 = 156,366.14 : x
  2. Step 2: Convert to fraction form
    271,082.76/374,084.16 = 156,366.14/x
  3. Step 3: Cross multiply
    271,082.76x = 374,084.16 × 156,366.14
  4. Step 4: Simplify right side
    271,082.76x = 58,494,096,134.34
  5. Step 5: Solve for x
    x = 58,494,096,134.34/271,082.76
  6. Step 6: Final answer
    x = 215,779.48

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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.