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Finding the Fourth Proportional to 192,550.80, 288,873.52 and 66,192.96

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Solution

The fourth proportional to 192,550.80, 288,873.52 and 66,192.96 is: 99,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,550.80 : 288,873.52 = 66,192.96 : x
  2. Step 2: Convert to fraction form
    192,550.80/288,873.52 = 66,192.96/x
  3. Step 3: Cross multiply
    192,550.80x = 288,873.52 × 66,192.96
  4. Step 4: Simplify right side
    192,550.80x = 19,121,393,354.42
  5. Step 5: Solve for x
    x = 19,121,393,354.42/192,550.80
  6. Step 6: Final answer
    x = 99,305.71

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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.