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Finding the Fourth Proportional to 269,802.90, 404,704.35 and 82,790.10

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Solution

The fourth proportional to 269,802.90, 404,704.35 and 82,790.10 is: 124,185.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,802.90 : 404,704.35 = 82,790.10 : x
  2. Step 2: Convert to fraction form
    269,802.90/404,704.35 = 82,790.10/x
  3. Step 3: Cross multiply
    269,802.90x = 404,704.35 × 82,790.10
  4. Step 4: Simplify right side
    269,802.90x = 33,505,513,606.94
  5. Step 5: Solve for x
    x = 33,505,513,606.94/269,802.90
  6. Step 6: Final answer
    x = 124,185.15

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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.