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Finding the Fourth Proportional to 273,630.40, 410,445.60 and 168,107.20

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Solution

The fourth proportional to 273,630.40, 410,445.60 and 168,107.20 is: 252,160.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,630.40 : 410,445.60 = 168,107.20 : x
  2. Step 2: Convert to fraction form
    273,630.40/410,445.60 = 168,107.20/x
  3. Step 3: Cross multiply
    273,630.40x = 410,445.60 × 168,107.20
  4. Step 4: Simplify right side
    273,630.40x = 68,998,860,568.32
  5. Step 5: Solve for x
    x = 68,998,860,568.32/273,630.40
  6. Step 6: Final answer
    x = 252,160.80

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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.