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Finding the Fourth Proportional to 216,238.59, 324,357.09 and 58,467

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Solution

The fourth proportional to 216,238.59, 324,357.09 and 58,467 is: 87,700.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,238.59 : 324,357.09 = 58,467 : x
  2. Step 2: Convert to fraction form
    216,238.59/324,357.09 = 58,467/x
  3. Step 3: Cross multiply
    216,238.59x = 324,357.09 × 58,467
  4. Step 4: Simplify right side
    216,238.59x = 18,964,185,981.03
  5. Step 5: Solve for x
    x = 18,964,185,981.03/216,238.59
  6. Step 6: Final answer
    x = 87,700.29

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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.