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Finding the Fourth Proportional to 180,869.80, 271,239.90 and 92,093.80

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Solution

The fourth proportional to 180,869.80, 271,239.90 and 92,093.80 is: 138,107.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,869.80 : 271,239.90 = 92,093.80 : x
  2. Step 2: Convert to fraction form
    180,869.80/271,239.90 = 92,093.80/x
  3. Step 3: Cross multiply
    180,869.80x = 271,239.90 × 92,093.80
  4. Step 4: Simplify right side
    180,869.80x = 24,979,513,102.62
  5. Step 5: Solve for x
    x = 24,979,513,102.62/180,869.80
  6. Step 6: Final answer
    x = 138,107.71

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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.