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Finding the Fourth Proportional to 192,177.80, 288,180.30 and 73,809.80

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Solution

The fourth proportional to 192,177.80, 288,180.30 and 73,809.80 is: 110,681.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,177.80 : 288,180.30 = 73,809.80 : x
  2. Step 2: Convert to fraction form
    192,177.80/288,180.30 = 73,809.80/x
  3. Step 3: Cross multiply
    192,177.80x = 288,180.30 × 73,809.80
  4. Step 4: Simplify right side
    192,177.80x = 21,270,530,306.94
  5. Step 5: Solve for x
    x = 21,270,530,306.94/192,177.80
  6. Step 6: Final answer
    x = 110,681.52

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1.5x scale

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.