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Finding the Fourth Proportional to 45,843.39, 68,742.41 and 16,256.79

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Solution

The fourth proportional to 45,843.39, 68,742.41 and 16,256.79 is: 24,377.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,843.39 : 68,742.41 = 16,256.79 : x
  2. Step 2: Convert to fraction form
    45,843.39/68,742.41 = 16,256.79/x
  3. Step 3: Cross multiply
    45,843.39x = 68,742.41 × 16,256.79
  4. Step 4: Simplify right side
    45,843.39x = 1,117,530,842.18
  5. Step 5: Solve for x
    x = 1,117,530,842.18/45,843.39
  6. Step 6: Final answer
    x = 24,377.14

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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.