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Finding the Fourth Proportional to 550,195.44, 825,128.68 and 165,928.20

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Solution

The fourth proportional to 550,195.44, 825,128.68 and 165,928.20 is: 248,842.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,195.44 : 825,128.68 = 165,928.20 : x
  2. Step 2: Convert to fraction form
    550,195.44/825,128.68 = 165,928.20/x
  3. Step 3: Cross multiply
    550,195.44x = 825,128.68 × 165,928.20
  4. Step 4: Simplify right side
    550,195.44x = 136,912,116,640.78
  5. Step 5: Solve for x
    x = 136,912,116,640.78/550,195.44
  6. Step 6: Final answer
    x = 248,842.70

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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.