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Finding the Fourth Proportional to 181,009.70, 271,406.55 and 110,939.30

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Solution

The fourth proportional to 181,009.70, 271,406.55 and 110,939.30 is: 166,342.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,009.70 : 271,406.55 = 110,939.30 : x
  2. Step 2: Convert to fraction form
    181,009.70/271,406.55 = 110,939.30/x
  3. Step 3: Cross multiply
    181,009.70x = 271,406.55 × 110,939.30
  4. Step 4: Simplify right side
    181,009.70x = 30,109,652,672.42
  5. Step 5: Solve for x
    x = 30,109,652,672.42/181,009.70
  6. Step 6: Final answer
    x = 166,342.76

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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.