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Finding the Fourth Proportional to 68,232.52, 102,329.34 and 43,234.84

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Solution

The fourth proportional to 68,232.52, 102,329.34 and 43,234.84 is: 64,839.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,232.52 : 102,329.34 = 43,234.84 : x
  2. Step 2: Convert to fraction form
    68,232.52/102,329.34 = 43,234.84/x
  3. Step 3: Cross multiply
    68,232.52x = 102,329.34 × 43,234.84
  4. Step 4: Simplify right side
    68,232.52x = 4,424,192,642.21
  5. Step 5: Solve for x
    x = 4,424,192,642.21/68,232.52
  6. Step 6: Final answer
    x = 64,839.94

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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.