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Finding the Fourth Proportional to 245,180.88, 367,781.49 and 76,704.44

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Solution

The fourth proportional to 245,180.88, 367,781.49 and 76,704.44 is: 115,059.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,180.88 : 367,781.49 = 76,704.44 : x
  2. Step 2: Convert to fraction form
    245,180.88/367,781.49 = 76,704.44/x
  3. Step 3: Cross multiply
    245,180.88x = 367,781.49 × 76,704.44
  4. Step 4: Simplify right side
    245,180.88x = 28,210,471,393.91
  5. Step 5: Solve for x
    x = 28,210,471,393.91/245,180.88
  6. Step 6: Final answer
    x = 115,059.83

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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.