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Finding the Fourth Proportional to 79,808.44, 110,135.66 and 45,819.13

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Solution

The fourth proportional to 79,808.44, 110,135.66 and 45,819.13 is: 63,230.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,808.44 : 110,135.66 = 45,819.13 : x
  2. Step 2: Convert to fraction form
    79,808.44/110,135.66 = 45,819.13/x
  3. Step 3: Cross multiply
    79,808.44x = 110,135.66 × 45,819.13
  4. Step 4: Simplify right side
    79,808.44x = 5,046,320,123.18
  5. Step 5: Solve for x
    x = 5,046,320,123.18/79,808.44
  6. Step 6: Final answer
    x = 63,230.41

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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.