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Finding the Fourth Proportional to 205,160.40, 307,481.40 and 182,869.20

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Solution

The fourth proportional to 205,160.40, 307,481.40 and 182,869.20 is: 274,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,160.40 : 307,481.40 = 182,869.20 : x
  2. Step 2: Convert to fraction form
    205,160.40/307,481.40 = 182,869.20/x
  3. Step 3: Cross multiply
    205,160.40x = 307,481.40 × 182,869.20
  4. Step 4: Simplify right side
    205,160.40x = 56,228,877,632.88
  5. Step 5: Solve for x
    x = 56,228,877,632.88/205,160.40
  6. Step 6: Final answer
    x = 274,072.76

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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.