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Finding the Fourth Proportional to 192,609.90, 288,945.63 and 59,458.86

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Solution

The fourth proportional to 192,609.90, 288,945.63 and 59,458.86 is: 89,197.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,609.90 : 288,945.63 = 59,458.86 : x
  2. Step 2: Convert to fraction form
    192,609.90/288,945.63 = 59,458.86/x
  3. Step 3: Cross multiply
    192,609.90x = 288,945.63 × 59,458.86
  4. Step 4: Simplify right side
    192,609.90x = 17,180,377,761.78
  5. Step 5: Solve for x
    x = 17,180,377,761.78/192,609.90
  6. Step 6: Final answer
    x = 89,197.79

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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.