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Finding the Fourth Proportional to 192,048.67, 288,110.08 and 73,710.78

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Solution

The fourth proportional to 192,048.67, 288,110.08 and 73,710.78 is: 110,580.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,048.67 : 288,110.08 = 73,710.78 : x
  2. Step 2: Convert to fraction form
    192,048.67/288,110.08 = 73,710.78/x
  3. Step 3: Cross multiply
    192,048.67x = 288,110.08 × 73,710.78
  4. Step 4: Simplify right side
    192,048.67x = 21,236,820,320.80
  5. Step 5: Solve for x
    x = 21,236,820,320.80/192,048.67
  6. Step 6: Final answer
    x = 110,580.41

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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.