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Finding the Fourth Proportional to 223,640.60, 335,460.90 and 144,843.80

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Solution

The fourth proportional to 223,640.60, 335,460.90 and 144,843.80 is: 217,265.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,640.60 : 335,460.90 = 144,843.80 : x
  2. Step 2: Convert to fraction form
    223,640.60/335,460.90 = 144,843.80/x
  3. Step 3: Cross multiply
    223,640.60x = 335,460.90 × 144,843.80
  4. Step 4: Simplify right side
    223,640.60x = 48,589,431,507.42
  5. Step 5: Solve for x
    x = 48,589,431,507.42/223,640.60
  6. Step 6: Final answer
    x = 217,265.70

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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.