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Finding the Fourth Proportional to 245,625.20, 368,524.20 and 120,882.80

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Solution

The fourth proportional to 245,625.20, 368,524.20 and 120,882.80 is: 181,366.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,625.20 : 368,524.20 = 120,882.80 : x
  2. Step 2: Convert to fraction form
    245,625.20/368,524.20 = 120,882.80/x
  3. Step 3: Cross multiply
    245,625.20x = 368,524.20 × 120,882.80
  4. Step 4: Simplify right side
    245,625.20x = 44,548,237,163.76
  5. Step 5: Solve for x
    x = 44,548,237,163.76/245,625.20
  6. Step 6: Final answer
    x = 181,366.72

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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.