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Finding the Fourth Proportional to 197,332.20, 295,998.30 and 86,524.20

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Solution

The fourth proportional to 197,332.20, 295,998.30 and 86,524.20 is: 129,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,332.20 : 295,998.30 = 86,524.20 : x
  2. Step 2: Convert to fraction form
    197,332.20/295,998.30 = 86,524.20/x
  3. Step 3: Cross multiply
    197,332.20x = 295,998.30 × 86,524.20
  4. Step 4: Simplify right side
    197,332.20x = 25,611,016,108.86
  5. Step 5: Solve for x
    x = 25,611,016,108.86/197,332.20
  6. Step 6: Final answer
    x = 129,786.30

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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.