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Finding the Fourth Proportional to 181,285.40, 271,668.90 and 133,527.80

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Solution

The fourth proportional to 181,285.40, 271,668.90 and 133,527.80 is: 200,100.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,285.40 : 271,668.90 = 133,527.80 : x
  2. Step 2: Convert to fraction form
    181,285.40/271,668.90 = 133,527.80/x
  3. Step 3: Cross multiply
    181,285.40x = 271,668.90 × 133,527.80
  4. Step 4: Simplify right side
    181,285.40x = 36,275,350,545.42
  5. Step 5: Solve for x
    x = 36,275,350,545.42/181,285.40
  6. Step 6: Final answer
    x = 200,100.78

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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.