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Finding the Fourth Proportional to 192,093.40, 288,176.82 and 73,755.28

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Solution

The fourth proportional to 192,093.40, 288,176.82 and 73,755.28 is: 110,647.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,093.40 : 288,176.82 = 73,755.28 : x
  2. Step 2: Convert to fraction form
    192,093.40/288,176.82 = 73,755.28/x
  3. Step 3: Cross multiply
    192,093.40x = 288,176.82 × 73,755.28
  4. Step 4: Simplify right side
    192,093.40x = 21,254,562,048.61
  5. Step 5: Solve for x
    x = 21,254,562,048.61/192,093.40
  6. Step 6: Final answer
    x = 110,647.02

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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.