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Finding the Fourth Proportional to 269,689.96, 404,469.66 and 82,703.08

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Solution

The fourth proportional to 269,689.96, 404,469.66 and 82,703.08 is: 124,034.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,689.96 : 404,469.66 = 82,703.08 : x
  2. Step 2: Convert to fraction form
    269,689.96/404,469.66 = 82,703.08/x
  3. Step 3: Cross multiply
    269,689.96x = 404,469.66 × 82,703.08
  4. Step 4: Simplify right side
    269,689.96x = 33,450,886,648.55
  5. Step 5: Solve for x
    x = 33,450,886,648.55/269,689.96
  6. Step 6: Final answer
    x = 124,034.60

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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.