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Finding the Fourth Proportional to 166,809.11, 230,197.04 and 90,329.11

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Solution

The fourth proportional to 166,809.11, 230,197.04 and 90,329.11 is: 124,654.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,809.11 : 230,197.04 = 90,329.11 : x
  2. Step 2: Convert to fraction form
    166,809.11/230,197.04 = 90,329.11/x
  3. Step 3: Cross multiply
    166,809.11x = 230,197.04 × 90,329.11
  4. Step 4: Simplify right side
    166,809.11x = 20,793,493,059.43
  5. Step 5: Solve for x
    x = 20,793,493,059.43/166,809.11
  6. Step 6: Final answer
    x = 124,654.42

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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.