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Finding the Fourth Proportional to 177,222.67, 244,581.80 and 100,765.76

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Solution

The fourth proportional to 177,222.67, 244,581.80 and 100,765.76 is: 139,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,222.67 : 244,581.80 = 100,765.76 : x
  2. Step 2: Convert to fraction form
    177,222.67/244,581.80 = 100,765.76/x
  3. Step 3: Cross multiply
    177,222.67x = 244,581.80 × 100,765.76
  4. Step 4: Simplify right side
    177,222.67x = 24,645,469,232.43
  5. Step 5: Solve for x
    x = 24,645,469,232.43/177,222.67
  6. Step 6: Final answer
    x = 139,064.99

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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.