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Finding the Fourth Proportional to 262,231.65, 361,786.36 and 154,747.89

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Solution

The fourth proportional to 262,231.65, 361,786.36 and 154,747.89 is: 213,497.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,231.65 : 361,786.36 = 154,747.89 : x
  2. Step 2: Convert to fraction form
    262,231.65/361,786.36 = 154,747.89/x
  3. Step 3: Cross multiply
    262,231.65x = 361,786.36 × 154,747.89
  4. Step 4: Simplify right side
    262,231.65x = 55,985,675,840.78
  5. Step 5: Solve for x
    x = 55,985,675,840.78/262,231.65
  6. Step 6: Final answer
    x = 213,497.02

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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.