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Finding the Fourth Proportional to 166,682.49, 230,020.96 and 90,201.54

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Solution

The fourth proportional to 166,682.49, 230,020.96 and 90,201.54 is: 124,477.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,682.49 : 230,020.96 = 90,201.54 : x
  2. Step 2: Convert to fraction form
    166,682.49/230,020.96 = 90,201.54/x
  3. Step 3: Cross multiply
    166,682.49x = 230,020.96 × 90,201.54
  4. Step 4: Simplify right side
    166,682.49x = 20,748,244,824.28
  5. Step 5: Solve for x
    x = 20,748,244,824.28/166,682.49
  6. Step 6: Final answer
    x = 124,477.65

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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.