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Finding the Fourth Proportional to 80,348.99, 120,503.55 and 32,977.51

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Solution

The fourth proportional to 80,348.99, 120,503.55 and 32,977.51 is: 49,458.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,348.99 : 120,503.55 = 32,977.51 : x
  2. Step 2: Convert to fraction form
    80,348.99/120,503.55 = 32,977.51/x
  3. Step 3: Cross multiply
    80,348.99x = 120,503.55 × 32,977.51
  4. Step 4: Simplify right side
    80,348.99x = 3,973,906,847.57
  5. Step 5: Solve for x
    x = 3,973,906,847.57/80,348.99
  6. Step 6: Final answer
    x = 49,458.08

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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.