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Finding the Fourth Proportional to 167,102.34, 230,601.15 and 91,650.84

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Solution

The fourth proportional to 167,102.34, 230,601.15 and 91,650.84 is: 126,478.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,102.34 : 230,601.15 = 91,650.84 : x
  2. Step 2: Convert to fraction form
    167,102.34/230,601.15 = 91,650.84/x
  3. Step 3: Cross multiply
    167,102.34x = 230,601.15 × 91,650.84
  4. Step 4: Simplify right side
    167,102.34x = 21,134,789,102.47
  5. Step 5: Solve for x
    x = 21,134,789,102.47/167,102.34
  6. Step 6: Final answer
    x = 126,478.12

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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.