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Finding the Fourth Proportional to 200,425.71, 300,249.48 and 179,131.62

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Solution

The fourth proportional to 200,425.71, 300,249.48 and 179,131.62 is: 268,349.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,425.71 : 300,249.48 = 179,131.62 : x
  2. Step 2: Convert to fraction form
    200,425.71/300,249.48 = 179,131.62/x
  3. Step 3: Cross multiply
    200,425.71x = 300,249.48 × 179,131.62
  4. Step 4: Simplify right side
    200,425.71x = 53,784,175,756.56
  5. Step 5: Solve for x
    x = 53,784,175,756.56/200,425.71
  6. Step 6: Final answer
    x = 268,349.68

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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.