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Finding the Fourth Proportional to 216,572.82, 324,821.97 and 58,813.98

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Solution

The fourth proportional to 216,572.82, 324,821.97 and 58,813.98 is: 88,210.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,572.82 : 324,821.97 = 58,813.98 : x
  2. Step 2: Convert to fraction form
    216,572.82/324,821.97 = 58,813.98/x
  3. Step 3: Cross multiply
    216,572.82x = 324,821.97 × 58,813.98
  4. Step 4: Simplify right side
    216,572.82x = 19,104,072,847.14
  5. Step 5: Solve for x
    x = 19,104,072,847.14/216,572.82
  6. Step 6: Final answer
    x = 88,210.85

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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.