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Finding the Fourth Proportional to 180,845.40, 271,008.90 and 133,087.80

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Solution

The fourth proportional to 180,845.40, 271,008.90 and 133,087.80 is: 199,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,845.40 : 271,008.90 = 133,087.80 : x
  2. Step 2: Convert to fraction form
    180,845.40/271,008.90 = 133,087.80/x
  3. Step 3: Cross multiply
    180,845.40x = 271,008.90 × 133,087.80
  4. Step 4: Simplify right side
    180,845.40x = 36,067,978,281.42
  5. Step 5: Solve for x
    x = 36,067,978,281.42/180,845.40
  6. Step 6: Final answer
    x = 199,440.95

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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.