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Finding the Fourth Proportional to 167,373.75, 230,861.13 and 106,917.54

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Solution

The fourth proportional to 167,373.75, 230,861.13 and 106,917.54 is: 147,472.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,373.75 : 230,861.13 = 106,917.54 : x
  2. Step 2: Convert to fraction form
    167,373.75/230,861.13 = 106,917.54/x
  3. Step 3: Cross multiply
    167,373.75x = 230,861.13 × 106,917.54
  4. Step 4: Simplify right side
    167,373.75x = 24,683,104,101.22
  5. Step 5: Solve for x
    x = 24,683,104,101.22/167,373.75
  6. Step 6: Final answer
    x = 147,472.97

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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.