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Finding the Fourth Proportional to 245,245.92, 367,670.36 and 76,679.52

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Solution

The fourth proportional to 245,245.92, 367,670.36 and 76,679.52 is: 114,957.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,245.92 : 367,670.36 = 76,679.52 : x
  2. Step 2: Convert to fraction form
    245,245.92/367,670.36 = 76,679.52/x
  3. Step 3: Cross multiply
    245,245.92x = 367,670.36 × 76,679.52
  4. Step 4: Simplify right side
    245,245.92x = 28,192,786,723.03
  5. Step 5: Solve for x
    x = 28,192,786,723.03/245,245.92
  6. Step 6: Final answer
    x = 114,957.21

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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.