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Finding the Fourth Proportional to 266,995.68, 400,119.68 and 177,144

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Solution

The fourth proportional to 266,995.68, 400,119.68 and 177,144 is: 265,467.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,995.68 : 400,119.68 = 177,144 : x
  2. Step 2: Convert to fraction form
    266,995.68/400,119.68 = 177,144/x
  3. Step 3: Cross multiply
    266,995.68x = 400,119.68 × 177,144
  4. Step 4: Simplify right side
    266,995.68x = 70,878,800,593.92
  5. Step 5: Solve for x
    x = 70,878,800,593.92/266,995.68
  6. Step 6: Final answer
    x = 265,467.97

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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.