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Finding the Fourth Proportional to 181,527.33, 250,245.11 and 120,170.71

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Solution

The fourth proportional to 181,527.33, 250,245.11 and 120,170.71 is: 165,661.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,527.33 : 250,245.11 = 120,170.71 : x
  2. Step 2: Convert to fraction form
    181,527.33/250,245.11 = 120,170.71/x
  3. Step 3: Cross multiply
    181,527.33x = 250,245.11 × 120,170.71
  4. Step 4: Simplify right side
    181,527.33x = 30,072,132,542.73
  5. Step 5: Solve for x
    x = 30,072,132,542.73/181,527.33
  6. Step 6: Final answer
    x = 165,661.74

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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.