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Finding the Fourth Proportional to 181,527.97, 250,489.42 and 100,942.49

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Solution

The fourth proportional to 181,527.97, 250,489.42 and 100,942.49 is: 139,289.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,527.97 : 250,489.42 = 100,942.49 : x
  2. Step 2: Convert to fraction form
    181,527.97/250,489.42 = 100,942.49/x
  3. Step 3: Cross multiply
    181,527.97x = 250,489.42 × 100,942.49
  4. Step 4: Simplify right side
    181,527.97x = 25,285,025,773.46
  5. Step 5: Solve for x
    x = 25,285,025,773.46/181,527.97
  6. Step 6: Final answer
    x = 139,289.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.