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Finding the Fourth Proportional to 269,166.40, 403,749.60 and 169,633.60

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Solution

The fourth proportional to 269,166.40, 403,749.60 and 169,633.60 is: 254,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,166.40 : 403,749.60 = 169,633.60 : x
  2. Step 2: Convert to fraction form
    269,166.40/403,749.60 = 169,633.60/x
  3. Step 3: Cross multiply
    269,166.40x = 403,749.60 × 169,633.60
  4. Step 4: Simplify right side
    269,166.40x = 68,489,498,146.56
  5. Step 5: Solve for x
    x = 68,489,498,146.56/269,166.40
  6. Step 6: Final answer
    x = 254,450.40

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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.