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Finding the Fourth Proportional to 171,321.80, 236,197.58 and 140,582.30

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Solution

The fourth proportional to 171,321.80, 236,197.58 and 140,582.30 is: 193,817.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,321.80 : 236,197.58 = 140,582.30 : x
  2. Step 2: Convert to fraction form
    171,321.80/236,197.58 = 140,582.30/x
  3. Step 3: Cross multiply
    171,321.80x = 236,197.58 × 140,582.30
  4. Step 4: Simplify right side
    171,321.80x = 33,205,198,938.42
  5. Step 5: Solve for x
    x = 33,205,198,938.42/171,321.80
  6. Step 6: Final answer
    x = 193,817.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.