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Finding the Fourth Proportional to 224,066.28, 335,839.41 and 90,780.78

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Solution

The fourth proportional to 224,066.28, 335,839.41 and 90,780.78 is: 136,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,066.28 : 335,839.41 = 90,780.78 : x
  2. Step 2: Convert to fraction form
    224,066.28/335,839.41 = 90,780.78/x
  3. Step 3: Cross multiply
    224,066.28x = 335,839.41 × 90,780.78
  4. Step 4: Simplify right side
    224,066.28x = 30,487,763,594.54
  5. Step 5: Solve for x
    x = 30,487,763,594.54/224,066.28
  6. Step 6: Final answer
    x = 136,065.83

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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.