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Finding the Fourth Proportional to 192,990.96, 266,250.90 and 120,351.12

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Solution

The fourth proportional to 192,990.96, 266,250.90 and 120,351.12 is: 166,036.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,990.96 : 266,250.90 = 120,351.12 : x
  2. Step 2: Convert to fraction form
    192,990.96/266,250.90 = 120,351.12/x
  3. Step 3: Cross multiply
    192,990.96x = 266,250.90 × 120,351.12
  4. Step 4: Simplify right side
    192,990.96x = 32,043,594,016.01
  5. Step 5: Solve for x
    x = 32,043,594,016.01/192,990.96
  6. Step 6: Final answer
    x = 166,036.76

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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.