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Finding the Fourth Proportional to 269,399.66, 404,084.84 and 82,411.16

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Solution

The fourth proportional to 269,399.66, 404,084.84 and 82,411.16 is: 123,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,399.66 : 404,084.84 = 82,411.16 : x
  2. Step 2: Convert to fraction form
    269,399.66/404,084.84 = 82,411.16/x
  3. Step 3: Cross multiply
    269,399.66x = 404,084.84 × 82,411.16
  4. Step 4: Simplify right side
    269,399.66x = 33,301,097,970.33
  5. Step 5: Solve for x
    x = 33,301,097,970.33/269,399.66
  6. Step 6: Final answer
    x = 123,612.25

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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.