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Finding the Fourth Proportional to 167,401.76, 230,856.28 and 109,939.82

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Solution

The fourth proportional to 167,401.76, 230,856.28 and 109,939.82 is: 151,613.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,401.76 : 230,856.28 = 109,939.82 : x
  2. Step 2: Convert to fraction form
    167,401.76/230,856.28 = 109,939.82/x
  3. Step 3: Cross multiply
    167,401.76x = 230,856.28 × 109,939.82
  4. Step 4: Simplify right side
    167,401.76x = 25,380,296,439.94
  5. Step 5: Solve for x
    x = 25,380,296,439.94/167,401.76
  6. Step 6: Final answer
    x = 151,613.08

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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.