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Finding the Fourth Proportional to 216,235.45, 324,352.41 and 58,463.88

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Solution

The fourth proportional to 216,235.45, 324,352.41 and 58,463.88 is: 87,695.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,235.45 : 324,352.41 = 58,463.88 : x
  2. Step 2: Convert to fraction form
    216,235.45/324,352.41 = 58,463.88/x
  3. Step 3: Cross multiply
    216,235.45x = 324,352.41 × 58,463.88
  4. Step 4: Simplify right side
    216,235.45x = 18,962,900,375.95
  5. Step 5: Solve for x
    x = 18,962,900,375.95/216,235.45
  6. Step 6: Final answer
    x = 87,695.61

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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.