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Finding the Fourth Proportional to 192,634.20, 288,972.90 and 59,513.40

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Solution

The fourth proportional to 192,634.20, 288,972.90 and 59,513.40 is: 89,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,634.20 : 288,972.90 = 59,513.40 : x
  2. Step 2: Convert to fraction form
    192,634.20/288,972.90 = 59,513.40/x
  3. Step 3: Cross multiply
    192,634.20x = 288,972.90 × 59,513.40
  4. Step 4: Simplify right side
    192,634.20x = 17,197,759,786.86
  5. Step 5: Solve for x
    x = 17,197,759,786.86/192,634.20
  6. Step 6: Final answer
    x = 89,276.77

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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.