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Finding the Fourth Proportional to 220,505.04, 330,759.41 and 70,745.58

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Solution

The fourth proportional to 220,505.04, 330,759.41 and 70,745.58 is: 106,118.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,505.04 : 330,759.41 = 70,745.58 : x
  2. Step 2: Convert to fraction form
    220,505.04/330,759.41 = 70,745.58/x
  3. Step 3: Cross multiply
    220,505.04x = 330,759.41 × 70,745.58
  4. Step 4: Simplify right side
    220,505.04x = 23,399,765,947.18
  5. Step 5: Solve for x
    x = 23,399,765,947.18/220,505.04
  6. Step 6: Final answer
    x = 106,118.96

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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.