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Finding the Fourth Proportional to 180,874.60, 271,409.10 and 75,704.20

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Solution

The fourth proportional to 180,874.60, 271,409.10 and 75,704.20 is: 113,596.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,874.60 : 271,409.10 = 75,704.20 : x
  2. Step 2: Convert to fraction form
    180,874.60/271,409.10 = 75,704.20/x
  3. Step 3: Cross multiply
    180,874.60x = 271,409.10 × 75,704.20
  4. Step 4: Simplify right side
    180,874.60x = 20,546,808,788.22
  5. Step 5: Solve for x
    x = 20,546,808,788.22/180,874.60
  6. Step 6: Final answer
    x = 113,596.98

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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.