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Finding the Fourth Proportional to 167,202.72, 230,739.12 and 91,752.48

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Solution

The fourth proportional to 167,202.72, 230,739.12 and 91,752.48 is: 126,618.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,202.72 : 230,739.12 = 91,752.48 : x
  2. Step 2: Convert to fraction form
    167,202.72/230,739.12 = 91,752.48/x
  3. Step 3: Cross multiply
    167,202.72x = 230,739.12 × 91,752.48
  4. Step 4: Simplify right side
    167,202.72x = 21,170,886,493.02
  5. Step 5: Solve for x
    x = 21,170,886,493.02/167,202.72
  6. Step 6: Final answer
    x = 126,618.07

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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.