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Finding the Fourth Proportional to 68,346.92, 102,515.34 and 32,833.64

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Solution

The fourth proportional to 68,346.92, 102,515.34 and 32,833.64 is: 49,248.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346.92 : 102,515.34 = 32,833.64 : x
  2. Step 2: Convert to fraction form
    68,346.92/102,515.34 = 32,833.64/x
  3. Step 3: Cross multiply
    68,346.92x = 102,515.34 × 32,833.64
  4. Step 4: Simplify right side
    68,346.92x = 3,365,951,768.04
  5. Step 5: Solve for x
    x = 3,365,951,768.04/68,346.92
  6. Step 6: Final answer
    x = 49,248.04

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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.