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Finding the Fourth Proportional to 177,440.67, 244,853.42 and 100,939.41

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Solution

The fourth proportional to 177,440.67, 244,853.42 and 100,939.41 is: 139,288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,440.67 : 244,853.42 = 100,939.41 : x
  2. Step 2: Convert to fraction form
    177,440.67/244,853.42 = 100,939.41/x
  3. Step 3: Cross multiply
    177,440.67x = 244,853.42 × 100,939.41
  4. Step 4: Simplify right side
    177,440.67x = 24,715,359,246.59
  5. Step 5: Solve for x
    x = 24,715,359,246.59/177,440.67
  6. Step 6: Final answer
    x = 139,288.02

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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.