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Finding the Fourth Proportional to 167,698.55, 231,230.30 and 133,680.58

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Solution

The fourth proportional to 167,698.55, 231,230.30 and 133,680.58 is: 184,324.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,698.55 : 231,230.30 = 133,680.58 : x
  2. Step 2: Convert to fraction form
    167,698.55/231,230.30 = 133,680.58/x
  3. Step 3: Cross multiply
    167,698.55x = 231,230.30 × 133,680.58
  4. Step 4: Simplify right side
    167,698.55x = 30,910,999,371.10
  5. Step 5: Solve for x
    x = 30,910,999,371.10/167,698.55
  6. Step 6: Final answer
    x = 184,324.78

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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.