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Finding the Fourth Proportional to 271,522.84, 407,120.58 and 121,736.04

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Solution

The fourth proportional to 271,522.84, 407,120.58 and 121,736.04 is: 182,530.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,522.84 : 407,120.58 = 121,736.04 : x
  2. Step 2: Convert to fraction form
    271,522.84/407,120.58 = 121,736.04/x
  3. Step 3: Cross multiply
    271,522.84x = 407,120.58 × 121,736.04
  4. Step 4: Simplify right side
    271,522.84x = 49,561,247,211.70
  5. Step 5: Solve for x
    x = 49,561,247,211.70/271,522.84
  6. Step 6: Final answer
    x = 182,530.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.