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Finding the Fourth Proportional to 269,731.60, 404,759.40 and 111,943.60

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Solution

The fourth proportional to 269,731.60, 404,759.40 and 111,943.60 is: 167,982.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,731.60 : 404,759.40 = 111,943.60 : x
  2. Step 2: Convert to fraction form
    269,731.60/404,759.40 = 111,943.60/x
  3. Step 3: Cross multiply
    269,731.60x = 404,759.40 × 111,943.60
  4. Step 4: Simplify right side
    269,731.60x = 45,310,224,369.84
  5. Step 5: Solve for x
    x = 45,310,224,369.84/269,731.60
  6. Step 6: Final answer
    x = 167,982.63

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1.5x scale

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.