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Finding the Fourth Proportional to 80,032.55, 120,048.82 and 27,442.49

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Solution

The fourth proportional to 80,032.55, 120,048.82 and 27,442.49 is: 41,163.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,032.55 : 120,048.82 = 27,442.49 : x
  2. Step 2: Convert to fraction form
    80,032.55/120,048.82 = 27,442.49/x
  3. Step 3: Cross multiply
    80,032.55x = 120,048.82 × 27,442.49
  4. Step 4: Simplify right side
    80,032.55x = 3,294,437,873.51
  5. Step 5: Solve for x
    x = 3,294,437,873.51/80,032.55
  6. Step 6: Final answer
    x = 41,163.73

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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.