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Finding the Fourth Proportional to 110,896.40, 166,366.20 and 47,716.40

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Solution

The fourth proportional to 110,896.40, 166,366.20 and 47,716.40 is: 71,583.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,896.40 : 166,366.20 = 47,716.40 : x
  2. Step 2: Convert to fraction form
    110,896.40/166,366.20 = 47,716.40/x
  3. Step 3: Cross multiply
    110,896.40x = 166,366.20 × 47,716.40
  4. Step 4: Simplify right side
    110,896.40x = 7,938,396,145.68
  5. Step 5: Solve for x
    x = 7,938,396,145.68/110,896.40
  6. Step 6: Final answer
    x = 71,583.89

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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.