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Finding the Fourth Proportional to 120,673.92, 181,034.48 and 36,440.94

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Solution

The fourth proportional to 120,673.92, 181,034.48 and 36,440.94 is: 54,668.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,673.92 : 181,034.48 = 36,440.94 : x
  2. Step 2: Convert to fraction form
    120,673.92/181,034.48 = 36,440.94/x
  3. Step 3: Cross multiply
    120,673.92x = 181,034.48 × 36,440.94
  4. Step 4: Simplify right side
    120,673.92x = 6,597,066,623.61
  5. Step 5: Solve for x
    x = 6,597,066,623.61/120,673.92
  6. Step 6: Final answer
    x = 54,668.54

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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.