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Finding the Fourth Proportional to 68,337.92, 102,501.84 and 32,824.64

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Solution

The fourth proportional to 68,337.92, 102,501.84 and 32,824.64 is: 49,234.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,337.92 : 102,501.84 = 32,824.64 : x
  2. Step 2: Convert to fraction form
    68,337.92/102,501.84 = 32,824.64/x
  3. Step 3: Cross multiply
    68,337.92x = 102,501.84 × 32,824.64
  4. Step 4: Simplify right side
    68,337.92x = 3,364,585,997.34
  5. Step 5: Solve for x
    x = 3,364,585,997.34/68,337.92
  6. Step 6: Final answer
    x = 49,234.54

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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.