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Finding the Fourth Proportional to 181,262.40, 271,626.30 and 131,447.40

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Solution

The fourth proportional to 181,262.40, 271,626.30 and 131,447.40 is: 196,977.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,262.40 : 271,626.30 = 131,447.40 : x
  2. Step 2: Convert to fraction form
    181,262.40/271,626.30 = 131,447.40/x
  3. Step 3: Cross multiply
    181,262.40x = 271,626.30 × 131,447.40
  4. Step 4: Simplify right side
    181,262.40x = 35,704,570,906.62
  5. Step 5: Solve for x
    x = 35,704,570,906.62/181,262.40
  6. Step 6: Final answer
    x = 196,977.26

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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.