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Finding the Fourth Proportional to 269,499.36, 404,250 and 82,510.08

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Solution

The fourth proportional to 269,499.36, 404,250 and 82,510.08 is: 123,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,499.36 : 404,250 = 82,510.08 : x
  2. Step 2: Convert to fraction form
    269,499.36/404,250 = 82,510.08/x
  3. Step 3: Cross multiply
    269,499.36x = 404,250 × 82,510.08
  4. Step 4: Simplify right side
    269,499.36x = 33,354,699,840
  5. Step 5: Solve for x
    x = 33,354,699,840/269,499.36
  6. Step 6: Final answer
    x = 123,765.41

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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.