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Finding the Fourth Proportional to 269,579.39, 404,156 and 134,574.17

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Solution

The fourth proportional to 269,579.39, 404,156 and 134,574.17 is: 201,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,579.39 : 404,156 = 134,574.17 : x
  2. Step 2: Convert to fraction form
    269,579.39/404,156 = 134,574.17/x
  3. Step 3: Cross multiply
    269,579.39x = 404,156 × 134,574.17
  4. Step 4: Simplify right side
    269,579.39x = 54,388,956,229.74
  5. Step 5: Solve for x
    x = 54,388,956,229.74/269,579.39
  6. Step 6: Final answer
    x = 201,754.88

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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.