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Finding the Fourth Proportional to 309,049.54, 463,643.79 and 166,891.66

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Solution

The fourth proportional to 309,049.54, 463,643.79 and 166,891.66 is: 250,375.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,049.54 : 463,643.79 = 166,891.66 : x
  2. Step 2: Convert to fraction form
    309,049.54/463,643.79 = 166,891.66/x
  3. Step 3: Cross multiply
    309,049.54x = 463,643.79 × 166,891.66
  4. Step 4: Simplify right side
    309,049.54x = 77,378,281,761.79
  5. Step 5: Solve for x
    x = 77,378,281,761.79/309,049.54
  6. Step 6: Final answer
    x = 250,375.01

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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.