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Finding the Fourth Proportional to 181,294.48, 250,105.89 and 120,806.11

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Solution

The fourth proportional to 181,294.48, 250,105.89 and 120,806.11 is: 166,658.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,294.48 : 250,105.89 = 120,806.11 : x
  2. Step 2: Convert to fraction form
    181,294.48/250,105.89 = 120,806.11/x
  3. Step 3: Cross multiply
    181,294.48x = 250,105.89 × 120,806.11
  4. Step 4: Simplify right side
    181,294.48x = 30,214,319,658.99
  5. Step 5: Solve for x
    x = 30,214,319,658.99/181,294.48
  6. Step 6: Final answer
    x = 166,658.80

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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.