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Finding the Fourth Proportional to 192,393.53, 288,216.63 and 92,623.80

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Solution

The fourth proportional to 192,393.53, 288,216.63 and 92,623.80 is: 138,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,393.53 : 288,216.63 = 92,623.80 : x
  2. Step 2: Convert to fraction form
    192,393.53/288,216.63 = 92,623.80/x
  3. Step 3: Cross multiply
    192,393.53x = 288,216.63 × 92,623.80
  4. Step 4: Simplify right side
    192,393.53x = 26,695,720,574.61
  5. Step 5: Solve for x
    x = 26,695,720,574.61/192,393.53
  6. Step 6: Final answer
    x = 138,755.81

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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.