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Finding the Fourth Proportional to 216,234.45, 324,350.91 and 58,462.88

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Solution

The fourth proportional to 216,234.45, 324,350.91 and 58,462.88 is: 87,694.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,234.45 : 324,350.91 = 58,462.88 : x
  2. Step 2: Convert to fraction form
    216,234.45/324,350.91 = 58,462.88/x
  3. Step 3: Cross multiply
    216,234.45x = 324,350.91 × 58,462.88
  4. Step 4: Simplify right side
    216,234.45x = 18,962,486,707.47
  5. Step 5: Solve for x
    x = 18,962,486,707.47/216,234.45
  6. Step 6: Final answer
    x = 87,694.11

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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.