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Finding the Fourth Proportional to 177,343.77, 244,739.78 and 100,873.86

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Solution

The fourth proportional to 177,343.77, 244,739.78 and 100,873.86 is: 139,208.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,343.77 : 244,739.78 = 100,873.86 : x
  2. Step 2: Convert to fraction form
    177,343.77/244,739.78 = 100,873.86/x
  3. Step 3: Cross multiply
    177,343.77x = 244,739.78 × 100,873.86
  4. Step 4: Simplify right side
    177,343.77x = 24,687,846,304.15
  5. Step 5: Solve for x
    x = 24,687,846,304.15/177,343.77
  6. Step 6: Final answer
    x = 139,208.99

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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.