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Finding the Fourth Proportional to 220,524.44, 330,895.96 and 87,401.75

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Solution

The fourth proportional to 220,524.44, 330,895.96 and 87,401.75 is: 131,145.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,524.44 : 330,895.96 = 87,401.75 : x
  2. Step 2: Convert to fraction form
    220,524.44/330,895.96 = 87,401.75/x
  3. Step 3: Cross multiply
    220,524.44x = 330,895.96 × 87,401.75
  4. Step 4: Simplify right side
    220,524.44x = 28,920,884,098.95
  5. Step 5: Solve for x
    x = 28,920,884,098.95/220,524.44
  6. Step 6: Final answer
    x = 131,145.94

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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.