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Finding the Fourth Proportional to 68,345.65, 102,469.26 and 41,995.94

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Solution

The fourth proportional to 68,345.65, 102,469.26 and 41,995.94 is: 62,963.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,345.65 : 102,469.26 = 41,995.94 : x
  2. Step 2: Convert to fraction form
    68,345.65/102,469.26 = 41,995.94/x
  3. Step 3: Cross multiply
    68,345.65x = 102,469.26 × 41,995.94
  4. Step 4: Simplify right side
    68,345.65x = 4,303,293,150.98
  5. Step 5: Solve for x
    x = 4,303,293,150.98/68,345.65
  6. Step 6: Final answer
    x = 62,963.68

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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.