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Finding the Fourth Proportional to 220,273.67, 330,074.06 and 163,840.88

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Solution

The fourth proportional to 220,273.67, 330,074.06 and 163,840.88 is: 245,511.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,273.67 : 330,074.06 = 163,840.88 : x
  2. Step 2: Convert to fraction form
    220,273.67/330,074.06 = 163,840.88/x
  3. Step 3: Cross multiply
    220,273.67x = 330,074.06 × 163,840.88
  4. Step 4: Simplify right side
    220,273.67x = 54,079,621,986.00
  5. Step 5: Solve for x
    x = 54,079,621,986.00/220,273.67
  6. Step 6: Final answer
    x = 245,511.06

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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.