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Finding the Fourth Proportional to 269,525.80, 404,288.70 and 82,537.30

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Solution

The fourth proportional to 269,525.80, 404,288.70 and 82,537.30 is: 123,805.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,525.80 : 404,288.70 = 82,537.30 : x
  2. Step 2: Convert to fraction form
    269,525.80/404,288.70 = 82,537.30/x
  3. Step 3: Cross multiply
    269,525.80x = 404,288.70 × 82,537.30
  4. Step 4: Simplify right side
    269,525.80x = 33,368,897,718.51
  5. Step 5: Solve for x
    x = 33,368,897,718.51/269,525.80
  6. Step 6: Final answer
    x = 123,805.95

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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.