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Finding the Fourth Proportional to 192,418.86, 288,628.26 and 59,299.11

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Solution

The fourth proportional to 192,418.86, 288,628.26 and 59,299.11 is: 88,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,418.86 : 288,628.26 = 59,299.11 : x
  2. Step 2: Convert to fraction form
    192,418.86/288,628.26 = 59,299.11/x
  3. Step 3: Cross multiply
    192,418.86x = 288,628.26 × 59,299.11
  4. Step 4: Simplify right side
    192,418.86x = 17,115,398,938.85
  5. Step 5: Solve for x
    x = 17,115,398,938.85/192,418.86
  6. Step 6: Final answer
    x = 88,948.66

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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.