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Finding the Fourth Proportional to 166,001, 229,082.11 and 90,551.12

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Solution

The fourth proportional to 166,001, 229,082.11 and 90,551.12 is: 124,960.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,001 : 229,082.11 = 90,551.12 : x
  2. Step 2: Convert to fraction form
    166,001/229,082.11 = 90,551.12/x
  3. Step 3: Cross multiply
    166,001x = 229,082.11 × 90,551.12
  4. Step 4: Simplify right side
    166,001x = 20,743,641,632.46
  5. Step 5: Solve for x
    x = 20,743,641,632.46/166,001
  6. Step 6: Final answer
    x = 124,960.94

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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.