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Finding the Fourth Proportional to 223,701.40, 335,550.50 and 90,579.62

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Solution

The fourth proportional to 223,701.40, 335,550.50 and 90,579.62 is: 135,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,701.40 : 335,550.50 = 90,579.62 : x
  2. Step 2: Convert to fraction form
    223,701.40/335,550.50 = 90,579.62/x
  3. Step 3: Cross multiply
    223,701.40x = 335,550.50 × 90,579.62
  4. Step 4: Simplify right side
    223,701.40x = 30,394,035,618.99
  5. Step 5: Solve for x
    x = 30,394,035,618.99/223,701.40
  6. Step 6: Final answer
    x = 135,868.78

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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.