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Finding the Fourth Proportional to 111,245.30, 166,866.48 and 27,006.14

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Solution

The fourth proportional to 111,245.30, 166,866.48 and 27,006.14 is: 40,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,245.30 : 166,866.48 = 27,006.14 : x
  2. Step 2: Convert to fraction form
    111,245.30/166,866.48 = 27,006.14/x
  3. Step 3: Cross multiply
    111,245.30x = 166,866.48 × 27,006.14
  4. Step 4: Simplify right side
    111,245.30x = 4,506,419,520.19
  5. Step 5: Solve for x
    x = 4,506,419,520.19/111,245.30
  6. Step 6: Final answer
    x = 40,508.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.