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Finding the Fourth Proportional to 79,885.54, 110,251.82 and 45,893.97

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Solution

The fourth proportional to 79,885.54, 110,251.82 and 45,893.97 is: 63,339.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885.54 : 110,251.82 = 45,893.97 : x
  2. Step 2: Convert to fraction form
    79,885.54/110,251.82 = 45,893.97/x
  3. Step 3: Cross multiply
    79,885.54x = 110,251.82 × 45,893.97
  4. Step 4: Simplify right side
    79,885.54x = 5,059,893,719.53
  5. Step 5: Solve for x
    x = 5,059,893,719.53/79,885.54
  6. Step 6: Final answer
    x = 63,339.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.