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Finding the Fourth Proportional to 220,607.16, 330,796.24 and 108,238.20

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Solution

The fourth proportional to 220,607.16, 330,796.24 and 108,238.20 is: 162,301.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,607.16 : 330,796.24 = 108,238.20 : x
  2. Step 2: Convert to fraction form
    220,607.16/330,796.24 = 108,238.20/x
  3. Step 3: Cross multiply
    220,607.16x = 330,796.24 × 108,238.20
  4. Step 4: Simplify right side
    220,607.16x = 35,804,789,584.37
  5. Step 5: Solve for x
    x = 35,804,789,584.37/220,607.16
  6. Step 6: Final answer
    x = 162,301.12

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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.