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Finding the Fourth Proportional to 159,673.80, 239,668.28 and 84,793.73

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Solution

The fourth proportional to 159,673.80, 239,668.28 and 84,793.73 is: 127,274.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,673.80 : 239,668.28 = 84,793.73 : x
  2. Step 2: Convert to fraction form
    159,673.80/239,668.28 = 84,793.73/x
  3. Step 3: Cross multiply
    159,673.80x = 239,668.28 × 84,793.73
  4. Step 4: Simplify right side
    159,673.80x = 20,322,367,599.09
  5. Step 5: Solve for x
    x = 20,322,367,599.09/159,673.80
  6. Step 6: Final answer
    x = 127,274.28

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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.