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Finding the Fourth Proportional to 269,708.75, 404,582.57 and 103,496.75

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Solution

The fourth proportional to 269,708.75, 404,582.57 and 103,496.75 is: 155,252.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,708.75 : 404,582.57 = 103,496.75 : x
  2. Step 2: Convert to fraction form
    269,708.75/404,582.57 = 103,496.75/x
  3. Step 3: Cross multiply
    269,708.75x = 404,582.57 × 103,496.75
  4. Step 4: Simplify right side
    269,708.75x = 41,872,980,584.16
  5. Step 5: Solve for x
    x = 41,872,980,584.16/269,708.75
  6. Step 6: Final answer
    x = 155,252.58

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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.