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Finding the Fourth Proportional to 180,850.40, 271,198.80 and 87,384.80

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Solution

The fourth proportional to 180,850.40, 271,198.80 and 87,384.80 is: 131,040.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,850.40 : 271,198.80 = 87,384.80 : x
  2. Step 2: Convert to fraction form
    180,850.40/271,198.80 = 87,384.80/x
  3. Step 3: Cross multiply
    180,850.40x = 271,198.80 × 87,384.80
  4. Step 4: Simplify right side
    180,850.40x = 23,698,652,898.24
  5. Step 5: Solve for x
    x = 23,698,652,898.24/180,850.40
  6. Step 6: Final answer
    x = 131,040.09

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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.