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Finding the Fourth Proportional to 269,677.60, 404,629.80 and 144,872.80

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Solution

The fourth proportional to 269,677.60, 404,629.80 and 144,872.80 is: 217,370.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,677.60 : 404,629.80 = 144,872.80 : x
  2. Step 2: Convert to fraction form
    269,677.60/404,629.80 = 144,872.80/x
  3. Step 3: Cross multiply
    269,677.60x = 404,629.80 × 144,872.80
  4. Step 4: Simplify right side
    269,677.60x = 58,619,852,089.44
  5. Step 5: Solve for x
    x = 58,619,852,089.44/269,677.60
  6. Step 6: Final answer
    x = 217,370.12

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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.