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Finding the Fourth Proportional to 80,583.68, 120,875.49 and 25,179.68

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Solution

The fourth proportional to 80,583.68, 120,875.49 and 25,179.68 is: 37,769.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,583.68 : 120,875.49 = 25,179.68 : x
  2. Step 2: Convert to fraction form
    80,583.68/120,875.49 = 25,179.68/x
  3. Step 3: Cross multiply
    80,583.68x = 120,875.49 × 25,179.68
  4. Step 4: Simplify right side
    80,583.68x = 3,043,605,553.67
  5. Step 5: Solve for x
    x = 3,043,605,553.67/80,583.68
  6. Step 6: Final answer
    x = 37,769.51

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Similar ratio
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1.5x scale

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.