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Finding the Fourth Proportional to 181,013.40, 271,520.10 and 169,349.40

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Solution

The fourth proportional to 181,013.40, 271,520.10 and 169,349.40 is: 254,024.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,013.40 : 271,520.10 = 169,349.40 : x
  2. Step 2: Convert to fraction form
    181,013.40/271,520.10 = 169,349.40/x
  3. Step 3: Cross multiply
    181,013.40x = 271,520.10 × 169,349.40
  4. Step 4: Simplify right side
    181,013.40x = 45,981,766,022.94
  5. Step 5: Solve for x
    x = 45,981,766,022.94/181,013.40
  6. Step 6: Final answer
    x = 254,024.10

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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.