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Finding the Fourth Proportional to 271,492.60, 407,433.30 and 113,834.20

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Solution

The fourth proportional to 271,492.60, 407,433.30 and 113,834.20 is: 170,832.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,492.60 : 407,433.30 = 113,834.20 : x
  2. Step 2: Convert to fraction form
    271,492.60/407,433.30 = 113,834.20/x
  3. Step 3: Cross multiply
    271,492.60x = 407,433.30 × 113,834.20
  4. Step 4: Simplify right side
    271,492.60x = 46,379,843,758.86
  5. Step 5: Solve for x
    x = 46,379,843,758.86/271,492.60
  6. Step 6: Final answer
    x = 170,832.81

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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.