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Finding the Fourth Proportional to 181,231.20, 271,846.80 and 178,606.80

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Solution

The fourth proportional to 181,231.20, 271,846.80 and 178,606.80 is: 267,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,231.20 : 271,846.80 = 178,606.80 : x
  2. Step 2: Convert to fraction form
    181,231.20/271,846.80 = 178,606.80/x
  3. Step 3: Cross multiply
    181,231.20x = 271,846.80 × 178,606.80
  4. Step 4: Simplify right side
    181,231.20x = 48,553,687,038.24
  5. Step 5: Solve for x
    x = 48,553,687,038.24/181,231.20
  6. Step 6: Final answer
    x = 267,910.20

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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.