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Finding the Fourth Proportional to 227,406.99, 313,724.82 and 166,872.45

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Solution

The fourth proportional to 227,406.99, 313,724.82 and 166,872.45 is: 230,212.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,406.99 : 313,724.82 = 166,872.45 : x
  2. Step 2: Convert to fraction form
    227,406.99/313,724.82 = 166,872.45/x
  3. Step 3: Cross multiply
    227,406.99x = 313,724.82 × 166,872.45
  4. Step 4: Simplify right side
    227,406.99x = 52,352,029,339.21
  5. Step 5: Solve for x
    x = 52,352,029,339.21/227,406.99
  6. Step 6: Final answer
    x = 230,212.93

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.