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Finding the Fourth Proportional to 220,096.34, 330,100.76 and 107,728.28

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Solution

The fourth proportional to 220,096.34, 330,100.76 and 107,728.28 is: 161,571.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,096.34 : 330,100.76 = 107,728.28 : x
  2. Step 2: Convert to fraction form
    220,096.34/330,100.76 = 107,728.28/x
  3. Step 3: Cross multiply
    220,096.34x = 330,100.76 × 107,728.28
  4. Step 4: Simplify right side
    220,096.34x = 35,561,187,101.49
  5. Step 5: Solve for x
    x = 35,561,187,101.49/220,096.34
  6. Step 6: Final answer
    x = 161,571.01

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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.