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Finding the Fourth Proportional to 192,295.40, 288,470.43 and 59,186.75

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Solution

The fourth proportional to 192,295.40, 288,470.43 and 59,186.75 is: 88,788.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,295.40 : 288,470.43 = 59,186.75 : x
  2. Step 2: Convert to fraction form
    192,295.40/288,470.43 = 59,186.75/x
  3. Step 3: Cross multiply
    192,295.40x = 288,470.43 × 59,186.75
  4. Step 4: Simplify right side
    192,295.40x = 17,073,625,780.45
  5. Step 5: Solve for x
    x = 17,073,625,780.45/192,295.40
  6. Step 6: Final answer
    x = 88,788.53

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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.