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Finding the Fourth Proportional to 192,580.89, 288,813.02 and 52,321.29

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Solution

The fourth proportional to 192,580.89, 288,813.02 and 52,321.29 is: 78,466.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,580.89 : 288,813.02 = 52,321.29 : x
  2. Step 2: Convert to fraction form
    192,580.89/288,813.02 = 52,321.29/x
  3. Step 3: Cross multiply
    192,580.89x = 288,813.02 × 52,321.29
  4. Step 4: Simplify right side
    192,580.89x = 15,111,069,513.59
  5. Step 5: Solve for x
    x = 15,111,069,513.59/192,580.89
  6. Step 6: Final answer
    x = 78,466.09

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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.