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Finding the Fourth Proportional to 80,806.59, 121,216.89 and 24,659.34

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Solution

The fourth proportional to 80,806.59, 121,216.89 and 24,659.34 is: 36,991.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,806.59 : 121,216.89 = 24,659.34 : x
  2. Step 2: Convert to fraction form
    80,806.59/121,216.89 = 24,659.34/x
  3. Step 3: Cross multiply
    80,806.59x = 121,216.89 × 24,659.34
  4. Step 4: Simplify right side
    80,806.59x = 2,989,128,504.25
  5. Step 5: Solve for x
    x = 2,989,128,504.25/80,806.59
  6. Step 6: Final answer
    x = 36,991.15

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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.