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Finding the Fourth Proportional to 223,490.12, 335,245.67 and 73,743.50

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Solution

The fourth proportional to 223,490.12, 335,245.67 and 73,743.50 is: 110,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,490.12 : 335,245.67 = 73,743.50 : x
  2. Step 2: Convert to fraction form
    223,490.12/335,245.67 = 73,743.50/x
  3. Step 3: Cross multiply
    223,490.12x = 335,245.67 × 73,743.50
  4. Step 4: Simplify right side
    223,490.12x = 24,722,187,020.70
  5. Step 5: Solve for x
    x = 24,722,187,020.70/223,490.12
  6. Step 6: Final answer
    x = 110,618.70

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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.