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Finding the Fourth Proportional to 220,096.80, 303,740.94 and 123,304.84

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Solution

The fourth proportional to 220,096.80, 303,740.94 and 123,304.84 is: 170,164.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,096.80 : 303,740.94 = 123,304.84 : x
  2. Step 2: Convert to fraction form
    220,096.80/303,740.94 = 123,304.84/x
  3. Step 3: Cross multiply
    220,096.80x = 303,740.94 × 123,304.84
  4. Step 4: Simplify right side
    220,096.80x = 37,452,728,008.15
  5. Step 5: Solve for x
    x = 37,452,728,008.15/220,096.80
  6. Step 6: Final answer
    x = 170,164.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.