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Finding the Fourth Proportional to 177,156.72, 244,487.16 and 101,716.56

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Solution

The fourth proportional to 177,156.72, 244,487.16 and 101,716.56 is: 140,375.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,156.72 : 244,487.16 = 101,716.56 : x
  2. Step 2: Convert to fraction form
    177,156.72/244,487.16 = 101,716.56/x
  3. Step 3: Cross multiply
    177,156.72x = 244,487.16 × 101,716.56
  4. Step 4: Simplify right side
    177,156.72x = 24,868,392,879.37
  5. Step 5: Solve for x
    x = 24,868,392,879.37/177,156.72
  6. Step 6: Final answer
    x = 140,375.10

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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.