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Finding the Fourth Proportional to 167,221.72, 230,874.06 and 103,627

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Solution

The fourth proportional to 167,221.72, 230,874.06 and 103,627 is: 143,072.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,221.72 : 230,874.06 = 103,627 : x
  2. Step 2: Convert to fraction form
    167,221.72/230,874.06 = 103,627/x
  3. Step 3: Cross multiply
    167,221.72x = 230,874.06 × 103,627
  4. Step 4: Simplify right side
    167,221.72x = 23,924,786,215.62
  5. Step 5: Solve for x
    x = 23,924,786,215.62/167,221.72
  6. Step 6: Final answer
    x = 143,072.24

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1.5x scale

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.