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Finding the Fourth Proportional to 167,201.72, 230,737.74 and 91,751.48

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Solution

The fourth proportional to 167,201.72, 230,737.74 and 91,751.48 is: 126,616.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,201.72 : 230,737.74 = 91,751.48 : x
  2. Step 2: Convert to fraction form
    167,201.72/230,737.74 = 91,751.48/x
  3. Step 3: Cross multiply
    167,201.72x = 230,737.74 × 91,751.48
  4. Step 4: Simplify right side
    167,201.72x = 21,170,529,136.86
  5. Step 5: Solve for x
    x = 21,170,529,136.86/167,201.72
  6. Step 6: Final answer
    x = 126,616.69

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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.