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Finding the Fourth Proportional to 80,527.88, 120,764.48 and 30,595.98

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Solution

The fourth proportional to 80,527.88, 120,764.48 and 30,595.98 is: 45,883.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,527.88 : 120,764.48 = 30,595.98 : x
  2. Step 2: Convert to fraction form
    80,527.88/120,764.48 = 30,595.98/x
  3. Step 3: Cross multiply
    80,527.88x = 120,764.48 × 30,595.98
  4. Step 4: Simplify right side
    80,527.88x = 3,694,907,614.79
  5. Step 5: Solve for x
    x = 3,694,907,614.79/80,527.88
  6. Step 6: Final answer
    x = 45,883.58

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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.