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Finding the Fourth Proportional to 45,609.92, 68,524.48 and 43,092.32

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Solution

The fourth proportional to 45,609.92, 68,524.48 and 43,092.32 is: 64,742.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,609.92 : 68,524.48 = 43,092.32 : x
  2. Step 2: Convert to fraction form
    45,609.92/68,524.48 = 43,092.32/x
  3. Step 3: Cross multiply
    45,609.92x = 68,524.48 × 43,092.32
  4. Step 4: Simplify right side
    45,609.92x = 2,952,878,819.99
  5. Step 5: Solve for x
    x = 2,952,878,819.99/45,609.92
  6. Step 6: Final answer
    x = 64,742.03

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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.