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Finding the Fourth Proportional to 273,348.80, 410,023.20 and 125,892.80

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Solution

The fourth proportional to 273,348.80, 410,023.20 and 125,892.80 is: 188,839.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,348.80 : 410,023.20 = 125,892.80 : x
  2. Step 2: Convert to fraction form
    273,348.80/410,023.20 = 125,892.80/x
  3. Step 3: Cross multiply
    273,348.80x = 410,023.20 × 125,892.80
  4. Step 4: Simplify right side
    273,348.80x = 51,618,968,712.96
  5. Step 5: Solve for x
    x = 51,618,968,712.96/273,348.80
  6. Step 6: Final answer
    x = 188,839.20

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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.