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Finding the Fourth Proportional to 68,039.16, 102,123.36 and 41,795.16

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Solution

The fourth proportional to 68,039.16, 102,123.36 and 41,795.16 is: 62,732.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,039.16 : 102,123.36 = 41,795.16 : x
  2. Step 2: Convert to fraction form
    68,039.16/102,123.36 = 41,795.16/x
  3. Step 3: Cross multiply
    68,039.16x = 102,123.36 × 41,795.16
  4. Step 4: Simplify right side
    68,039.16x = 4,268,262,170.94
  5. Step 5: Solve for x
    x = 4,268,262,170.94/68,039.16
  6. Step 6: Final answer
    x = 62,732.43

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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.